International Journal of Modern Physics a最新文献

{"title":"One-loop effective action in chiral Einstein–Cartan gravity","authors":"Pratik Chattopadhyay","doi":"10.1142/s0217751x23501865","DOIUrl":"https://doi.org/10.1142/s0217751x23501865","url":null,"abstract":"<p>In chiral Einstein–Cartan gravity, a new gauge fixing procedure is implemented recently, leading to a very economical perturbation expansion of the action. Using this formulation and the relevant gauge fixing, we develop the ghost Lagrangian on an arbitrary Einstein background using the Becchi-Rouet-Stora-Tyutin (BRST) formalism. The novelty is the appearance of a new term quadratic in the tetrad field. We next compute the heat kernel coefficients and understand the divergences arising in the gravitational one-loop effective action. In our computation, the arising heat kernel coefficients depend only on the self-dual part of the Weyl curvature. We make a comparison between our results and what has been obtained for metric general relativity.</p>","PeriodicalId":50309,"journal":{"name":"International Journal of Modern Physics a","volume":"6 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140129201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cosmological model in Barrow holographic dark energy with Granda–Oliveros cut-off","authors":"Pankaj, Remya A., Umesh Kumar Sharma","doi":"10.1142/s0217751x23501853","DOIUrl":"https://doi.org/10.1142/s0217751x23501853","url":null,"abstract":"<p>This study focuses on the cosmological evolution of Barrow holographic dark energy (BHDE) in a flat FLRW-universe. We take into account a time-dependent scale factor <span><math altimg=\"eq-00001.gif\" display=\"inline\" overflow=\"scroll\"><mi>a</mi><mo stretchy=\"false\">(</mo><mi>t</mi><mo stretchy=\"false\">)</mo><mo>=</mo><msup><mrow><mo stretchy=\"false\">[</mo><mo>sinh</mo><mo stretchy=\"false\">(</mo><mi>k</mi><mi>t</mi><mo stretchy=\"false\">)</mo><mo stretchy=\"false\">]</mo></mrow><mrow><mfrac><mrow><mn>1</mn></mrow><mrow><mi>n</mi></mrow></mfrac></mrow></msup></math></span><span></span>, where <i>k</i> and <i>n</i> are positive values, to find the solutions to field equations. This scale factor results in a smooth transition of the universe from its previous decelerating stage to its most recent accelerating stage. Using the Granda–Oliveros cut-off, we examine the chronology of the deceleration parameter, equation of state parameter, and density parameter, and we analyze the positive aspects of the BHDE model. Negative pressure values in this model suggest dark energy dominance, resulting in the universe’s acceleration. We use the statefinder parameters (<span><math altimg=\"eq-00002.gif\" display=\"inline\" overflow=\"scroll\"><mi>r</mi><mo>,</mo><mi>s</mi></math></span><span></span>) to improve the accuracy of the results of the dark energy model that is similar to the <span><math altimg=\"eq-00003.gif\" display=\"inline\" overflow=\"scroll\"><mi mathvariant=\"normal\">Λ</mi></math></span><span></span>-CDM model.</p>","PeriodicalId":50309,"journal":{"name":"International Journal of Modern Physics a","volume":"40 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140129235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Associated production of J/ψ plus Z(W) in the improved color evaporation model using the parton Reggeization approach","authors":"Alexey Chernyshev, Vladimir Saleev","doi":"10.1142/s0217751x23501932","DOIUrl":"https://doi.org/10.1142/s0217751x23501932","url":null,"abstract":"&lt;p&gt;In this paper, we study the associated production of prompt &lt;span&gt;&lt;math altimg=\"eq-00005.gif\" display=\"inline\" overflow=\"scroll\"&gt;&lt;mi&gt;J&lt;/mi&gt;&lt;mo stretchy=\"false\"&gt;/&lt;/mo&gt;&lt;mi&gt;ψ&lt;/mi&gt;&lt;/math&gt;&lt;/span&gt;&lt;span&gt;&lt;/span&gt; mesons and &lt;span&gt;&lt;math altimg=\"eq-00006.gif\" display=\"inline\" overflow=\"scroll\"&gt;&lt;mi&gt;Z&lt;/mi&gt;&lt;mo stretchy=\"false\"&gt;(&lt;/mo&gt;&lt;mi&gt;W&lt;/mi&gt;&lt;mo stretchy=\"false\"&gt;)&lt;/mo&gt;&lt;/math&gt;&lt;/span&gt;&lt;span&gt;&lt;/span&gt; bosons in the improved color evaporation model using the high-energy factorization as it is formulated in the parton Reggeization approach. The last one is based on the modified Kimber–Martin–Ryskin–Watt model for unintegrated parton distribution functions and the effective field theory of Reggeized gluons and quarks, suggested by Lipatov. We predict cross-section for associated &lt;span&gt;&lt;math altimg=\"eq-00007.gif\" display=\"inline\" overflow=\"scroll\"&gt;&lt;mi&gt;J&lt;/mi&gt;&lt;mo stretchy=\"false\"&gt;/&lt;/mo&gt;&lt;mi&gt;ψ&lt;/mi&gt;&lt;/math&gt;&lt;/span&gt;&lt;span&gt;&lt;/span&gt; and &lt;span&gt;&lt;math altimg=\"eq-00008.gif\" display=\"inline\" overflow=\"scroll\"&gt;&lt;mi&gt;Z&lt;/mi&gt;&lt;mo stretchy=\"false\"&gt;(&lt;/mo&gt;&lt;mi&gt;W&lt;/mi&gt;&lt;mo stretchy=\"false\"&gt;)&lt;/mo&gt;&lt;/math&gt;&lt;/span&gt;&lt;span&gt;&lt;/span&gt; hadroproduction via the single and double parton scattering mechanisms using the set of model parameters which has been obtained early for description of single and double prompt &lt;span&gt;&lt;math altimg=\"eq-00009.gif\" display=\"inline\" overflow=\"scroll\"&gt;&lt;mi&gt;J&lt;/mi&gt;&lt;mo stretchy=\"false\"&gt;/&lt;/mo&gt;&lt;mi&gt;ψ&lt;/mi&gt;&lt;/math&gt;&lt;/span&gt;&lt;span&gt;&lt;/span&gt; production at the LHC energies. The numerical calculations are realized using the Monte Carlo event generator KaTie. The calculation results are compared with the data at the energies &lt;span&gt;&lt;math altimg=\"eq-00010.gif\" display=\"inline\" overflow=\"scroll\"&gt;&lt;msqrt&gt;&lt;mrow&gt;&lt;mi&gt;s&lt;/mi&gt;&lt;/mrow&gt;&lt;/msqrt&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mn&gt;7&lt;/mn&gt;&lt;/math&gt;&lt;/span&gt;&lt;span&gt;&lt;/span&gt;&lt;span&gt;&lt;math altimg=\"eq-00011.gif\" display=\"inline\" overflow=\"scroll\"&gt;&lt;mspace width=\".17em\"&gt;&lt;/mspace&gt;&lt;/math&gt;&lt;/span&gt;&lt;span&gt;&lt;/span&gt;TeV and 8&lt;span&gt;&lt;math altimg=\"eq-00012.gif\" display=\"inline\" overflow=\"scroll\"&gt;&lt;mspace width=\".17em\"&gt;&lt;/mspace&gt;&lt;/math&gt;&lt;/span&gt;&lt;span&gt;&lt;/span&gt;TeV and we make predictions for the energy &lt;span&gt;&lt;math altimg=\"eq-00013.gif\" display=\"inline\" overflow=\"scroll\"&gt;&lt;msqrt&gt;&lt;mrow&gt;&lt;mi&gt;s&lt;/mi&gt;&lt;/mrow&gt;&lt;/msqrt&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;mn&gt;3&lt;/mn&gt;&lt;/math&gt;&lt;/span&gt;&lt;span&gt;&lt;/span&gt;&lt;span&gt;&lt;math altimg=\"eq-00014.gif\" display=\"inline\" overflow=\"scroll\"&gt;&lt;mspace width=\".17em\"&gt;&lt;/mspace&gt;&lt;/math&gt;&lt;/span&gt;&lt;span&gt;&lt;/span&gt;TeV for &lt;span&gt;&lt;math altimg=\"eq-00015.gif\" display=\"inline\" overflow=\"scroll\"&gt;&lt;mi&gt;J&lt;/mi&gt;&lt;mo stretchy=\"false\"&gt;/&lt;/mo&gt;&lt;mi&gt;ψ&lt;/mi&gt;&lt;/math&gt;&lt;/span&gt;&lt;span&gt;&lt;/span&gt; plus &lt;span&gt;&lt;math altimg=\"eq-00016.gif\" display=\"inline\" overflow=\"scroll\"&gt;&lt;mi&gt;Z&lt;/mi&gt;&lt;mo stretchy=\"false\"&gt;(&lt;/mo&gt;&lt;mi&gt;W&lt;/mi&gt;&lt;mo stretchy=\"false\"&gt;)&lt;/mo&gt;&lt;/math&gt;&lt;/span&gt;&lt;span&gt;&lt;/span&gt; and &lt;span&gt;&lt;math altimg=\"eq-00017.gif\" display=\"inline\" overflow=\"scroll\"&gt;&lt;mi mathvariant=\"normal\"&gt;ϒ&lt;/mi&gt;&lt;/math&gt;&lt;/span&gt;&lt;span&gt;&lt;/span&gt; plus &lt;span&gt;&lt;math altimg=\"eq-00018.gif\" display=\"inline\" overflow=\"scroll\"&gt;&lt;mi&gt;Z&lt;/mi&gt;&lt;mo stretchy=\"false\"&gt;(&lt;/mo&gt;&lt;mi&gt;W&lt;/mi&gt;&lt;mo stretchy=\"false\"&gt;)&lt;/mo&gt;&lt;/math&gt;&lt;/span&gt;&lt;span&gt;&lt;/span&gt; associated produ","PeriodicalId":50309,"journal":{"name":"International Journal of Modern Physics a","volume":"16 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140129964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Beyond oblique contributions: Δr and W-mass in models with scalar leptoquarks","authors":"Carlo Marzo","doi":"10.1142/s0217751x23400055","DOIUrl":"https://doi.org/10.1142/s0217751x23400055","url":null,"abstract":"<p>In this paper, we study the dominant nonuniversal contributions to muon decay for the five scalar leptoquarks (LQs) allowed by the Standard Model gauge symmetries. By using a common computational framework, we isolate the New-Physics (NP) one-loop corrections over the observable <span><math altimg=\"eq-00002.gif\" display=\"inline\" overflow=\"scroll\"><mi mathvariant=\"normal\">Δ</mi><mi>r</mi></math></span><span></span> and explore the connection with the <i>W</i> boson mass. We highlight the role of nonuniversal terms considering, for the <span><math altimg=\"eq-00003.gif\" display=\"inline\" overflow=\"scroll\"><mstyle><mtext mathvariant=\"normal\">SU</mtext></mstyle><mo stretchy=\"false\">(</mo><mn>2</mn><mo stretchy=\"false\">)</mo></math></span><span></span> doublet and triplet LQs, a completely degenerate scenario, thus cancelling/moderating the effects of the oblique parameters <i>S</i>, <i>T</i> and <i>U</i>. We determine simple formulas that exhibit the leading nonuniversal behavior generated by the introduction of extra Yukawa terms and confront them against a present tension in <span><math altimg=\"eq-00004.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow><mi>M</mi></mrow><mrow><mi>W</mi></mrow></msub></math></span><span></span> and the projected FCC-ee accuracy.</p>","PeriodicalId":50309,"journal":{"name":"International Journal of Modern Physics a","volume":"2010 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140129234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"General spin sums in Quantum Field Theory","authors":"Rodolfo José Bueno Rogerio, Luca Fabbri","doi":"10.1142/s0217751x23501890","DOIUrl":"https://doi.org/10.1142/s0217751x23501890","url":null,"abstract":"<p>In Quantum Field Theory (QFT), scattering amplitudes are computed from propagators which, for internal lines, are built upon spin/polarization-sum relationships. In turn, these are normally constructed upon plane-wave solutions of the free field equations. A question that may now arise is whether such spin/polarization-sums can be generalized. In the past, there has been a first attempt at generalizing spin sums for fermionic fields in terms of the Michel–Wightman identities. In this paper, we aim to find the most general spin sums for fermionic fields within the range of QFT.</p>","PeriodicalId":50309,"journal":{"name":"International Journal of Modern Physics a","volume":"138 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140129200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"One continuous parameter family of Dirac–Lorentz scalar potentials associated with exceptional orthogonal polynomials","authors":"Suman Banerjee, Rajesh Kumar Yadav","doi":"10.1142/s0217751x23501841","DOIUrl":"https://doi.org/10.1142/s0217751x23501841","url":null,"abstract":"<p>We extend our recent works [<i>Int. J. Mod. Phys.</i> A <b>38</b>, 2350069 (2023)] and obtain one-parameter <span><math altimg=\"eq-00001.gif\" display=\"inline\" overflow=\"scroll\"><mo stretchy=\"false\">(</mo><mi>λ</mi><mo stretchy=\"false\">)</mo></math></span><span></span> family of rationally extended Dirac–Lorentz scalar potentials with their explicit solutions in terms of <span><math altimg=\"eq-00002.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow><mi>X</mi></mrow><mrow><mi>m</mi></mrow></msub></math></span><span></span> exceptional orthogonal polynomials. We further show that as the parameter <span><math altimg=\"eq-00003.gif\" display=\"inline\" overflow=\"scroll\"><mi>λ</mi><mo>→</mo><mn>0</mn></math></span><span></span> or <span><math altimg=\"eq-00004.gif\" display=\"inline\" overflow=\"scroll\"><mo>−</mo><mn>1</mn></math></span><span></span>, we get the corresponding rationally extended Pursey and the rationally extended Abraham–Moses-type of scalar potentials, respectively, which have one bound state less than the starting scalar potentials.</p>","PeriodicalId":50309,"journal":{"name":"International Journal of Modern Physics a","volume":"55 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140129202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Modified CPL models for dark energy and observational constraints","authors":"Gopal Sardar, Subenoy Chakraborty","doi":"10.1142/s0217751x23501944","DOIUrl":"https://doi.org/10.1142/s0217751x23501944","url":null,"abstract":"<p>In this work, we consider two modified Chevallier–Polarski–Linder (CPL) models in the background of homogeneous and isotropic Friedmann–Lemaître–Robertson–Walker (FLRW) space–time, namely, (i) the generalized CPL model (Model I) and (ii) the logarithmic form of the equation of state for the dark energy. From the observational data sets <span><math altimg=\"eq-00001.gif\" display=\"inline\" overflow=\"scroll\"><mo stretchy=\"false\">(</mo><mo stretchy=\"false\">(</mo><mtext>Pantheon</mtext><mo>+</mo><mo stretchy=\"false\">)</mo><mo>+</mo><mtext>BAO</mtext><mo>+</mo><mtext>HST</mtext><mo stretchy=\"false\">)</mo></math></span><span></span>, we find that at the present epoch (redshift <span><math altimg=\"eq-00002.gif\" display=\"inline\" overflow=\"scroll\"><mi>z</mi><mo>=</mo><mn>0</mn></math></span><span></span>), the equation of state for the dark energy converges almost at the same value <span><math altimg=\"eq-00003.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow><mi>ω</mi></mrow><mrow><mstyle><mtext mathvariant=\"normal\">fld</mtext></mstyle></mrow></msub><mo>≈</mo><mo>−</mo><mn>0</mn><mo>.</mo><mn>8</mn><mn>6</mn></math></span><span></span> and the variation of <span><math altimg=\"eq-00004.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow><mi>ω</mi></mrow><mrow><mstyle><mtext mathvariant=\"normal\">fld</mtext></mstyle></mrow></msub><mo stretchy=\"false\">(</mo><mi>z</mi><mo stretchy=\"false\">)</mo></math></span><span></span> with respect to the redshift parameter is very small for both models. We also find that the present value of the Hubble parameter <span><math altimg=\"eq-00005.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow><mi>H</mi></mrow><mrow><mn>0</mn></mrow></msub></math></span><span></span> is almost same for both the models. Finally, we compare the models in the light of Akaike Information Criterion (AIC), Bayesian Information Criterion (BIC) and Bayesian evidence. However, we find that Model II is better compared to Model I from the estimated value of the deceleration parameter.</p>","PeriodicalId":50309,"journal":{"name":"International Journal of Modern Physics a","volume":"57 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140129206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Axion and the SuperMassive Black Holes at high z","authors":"Takeshi Fukuyama","doi":"10.1142/s0217751x23501919","DOIUrl":"https://doi.org/10.1142/s0217751x23501919","url":null,"abstract":"<p>Axion Dark Matter (DM) is studied on the formation of SuperMassive Black Holes (SMBH) at high red shift <i>z</i>. It is shown that the attractive self-interaction of this DM may resolve the tension between the large mass with high angular momentum of SMBH and its early time formation. We consider the ultra-light axion DM around <span><math altimg=\"eq-00001.gif\" display=\"inline\" overflow=\"scroll\"><mi>O</mi><mo stretchy=\"false\">(</mo><mn>1</mn><msup><mrow><mn>0</mn></mrow><mrow><mo>−</mo><mn>2</mn><mn>1</mn></mrow></msup><mo stretchy=\"false\">)</mo></math></span><span></span> eV as its origin, which may also cause nano-Hz stochastic gravitational wave background recently observed.</p>","PeriodicalId":50309,"journal":{"name":"International Journal of Modern Physics a","volume":"95 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140129199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Generalized hidden conformal symmetry in quadratic f(T) gravity","authors":"Bardia H. Fahim, A. M. Ghezelbash","doi":"10.1142/s0217751x2350183x","DOIUrl":"https://doi.org/10.1142/s0217751x2350183x","url":null,"abstract":"<p>We find the nonextremal charged rotating charged black holes in quadratic <span><math altimg=\"eq-00003.gif\" display=\"inline\" overflow=\"scroll\"><mi>f</mi><mo stretchy=\"false\">(</mo><mi>T</mi><mo stretchy=\"false\">)</mo></math></span><span></span> gravity are holographically dual to two different hidden conformal field theories. The two conformal field theories can be merged to find a very general hidden conformal field theory, which is generated by the <span><math altimg=\"eq-00004.gif\" display=\"inline\" overflow=\"scroll\"><mi>S</mi><mi>L</mi><mo stretchy=\"false\">(</mo><mn>2</mn><mo>,</mo><mi>ℤ</mi><mo stretchy=\"false\">)</mo></math></span><span></span> modular group. We also carry out the calculation to the extremal limit of the black holes, and find the corresponding dual quantities. Contrary to the existence of two different dual conformal field theories for the extremal charged rotating black holes in Einstein gravity, we find only one dual theory exists for the extremal charged rotating black holes in quadratic <span><math altimg=\"eq-00005.gif\" display=\"inline\" overflow=\"scroll\"><mi>f</mi><mo stretchy=\"false\">(</mo><mi>T</mi><mo stretchy=\"false\">)</mo></math></span><span></span> gravity.</p>","PeriodicalId":50309,"journal":{"name":"International Journal of Modern Physics a","volume":"45 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140129203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Aspergillosis Causing Orbital Subperiosteal Abscess in an Immunocompetent Child: A Rare Presentation.","authors":"Stuti Chowdhary, Anjali Mary Jibi, Winsley Rose, Lalee Varghese","doi":"10.1007/s12070-023-04128-y","DOIUrl":"10.1007/s12070-023-04128-y","url":null,"abstract":"<p><p>Orbital abscesses are primarily seen in children as complication of ethmoid bacterial sinusitis. We report a case of invasive aspergillosis causing orbital abscess in an immunocompetent child which resolved with surgery followed by antifungal therapy. This case highlights need for histopathological, and microbiological examination, including fungal culture in such cases.</p>","PeriodicalId":50309,"journal":{"name":"International Journal of Modern Physics a","volume":"13 1","pages":"1088-1091"},"PeriodicalIF":0.6,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10908752/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86088027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}