Zhejunyu Jin, Zhaozhuo Zeng, Yunshan Cao, Peng Yan
{"title":"Skyrmion Hall Effect in Altermagnets","authors":"Zhejunyu Jin, Zhaozhuo Zeng, Yunshan Cao, Peng Yan","doi":"10.1103/physrevlett.133.196701","DOIUrl":"https://doi.org/10.1103/physrevlett.133.196701","url":null,"abstract":"It is widely believed that the skyrmion Hall effect is absent in antiferromagnets because of the vanishing topological charge. However, the Aharonov-Casher theory indicates the possibility of topological effects for neutral particles. In this Letter, we predict the skyrmion Hall effect in emerging altermagnets with zero net magnetization and zero skyrmion charge. We first show that the neutral skyrmion manifests as a magnetic quadrupole in altermagnets. We reveal a hidden gauge field from the magnetic quadrupole, which induces the skyrmion Hall effect when driven by spin transfer torque. Interestingly, we identify a sign change of the Hall angle when one swaps the anisotropic exchange couplings in altermagnets. Furthermore, we demonstrate that both the velocity and Hall angle of altermagnetic skyrmions sensitively depend on the current direction. Our findings real the critical role of magnetic quadrupole in driving the skyrmion Hall effect with vanishing charge, and pave the way to discovering new Hall effect of neutral quasiparticles beyond magnetic skyrmions.","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":"241 1","pages":""},"PeriodicalIF":8.6,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142574707","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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":"Shedding Light on Hadronization by Quarkonium Energy Correlator","authors":"An-Ping Chen, Xiaohui Liu, Yan-Qing Ma","doi":"10.1103/physrevlett.133.191901","DOIUrl":"https://doi.org/10.1103/physrevlett.133.191901","url":null,"abstract":"We propose to measure the energy correlator in quarkonium production, which tracks the energy deposited in the calorimeter at the <mjx-container ctxtmenu_counter=\"16\" ctxtmenu_oldtabindex=\"1\" jax=\"CHTML\" overflow=\"linebreak\" role=\"tree\" sre-explorer- style=\"font-size: 100.7%;\" tabindex=\"0\"><mjx-math data-semantic-structure=\"0\"><mjx-mrow><mjx-mi data-semantic-annotation=\"clearspeak:simple\" data-semantic-font=\"italic\" data-semantic- data-semantic-role=\"greekletter\" data-semantic-speech=\"chi\" data-semantic-type=\"identifier\"><mjx-c>𝜒</mjx-c></mjx-mi></mjx-mrow></mjx-math></mjx-container>-angular distance away from the identified quarkonium. The observable eliminates the need for jets while sustaining the perturbative predictive power. Analyzing the power correction to the energy correlator, we demonstrate that the novel observable supplies a unique gateway to probing the hadronization, especially when <mjx-container ctxtmenu_counter=\"17\" ctxtmenu_oldtabindex=\"1\" jax=\"CHTML\" overflow=\"linebreak\" role=\"tree\" sre-explorer- style=\"font-size: 100.7%;\" tabindex=\"0\"><mjx-math data-semantic-structure=\"(6 (5 0 4 1) 2 3)\"><mjx-mrow data-semantic-children=\"5,3\" data-semantic-content=\"2\" data-semantic- data-semantic-owns=\"5 2 3\" data-semantic-role=\"inequality\" data-semantic-speech=\"cosine chi greater than or equivalent to 0\" data-semantic-type=\"relseq\"><mjx-mrow data-semantic-added=\"true\" data-semantic-annotation=\"clearspeak:simple\" data-semantic-children=\"0,1\" data-semantic-content=\"4,0\" data-semantic- data-semantic-owns=\"0 4 1\" data-semantic-parent=\"6\" data-semantic-role=\"prefix function\" data-semantic-type=\"appl\"><mjx-mi data-semantic-font=\"normal\" data-semantic- data-semantic-operator=\"appl\" data-semantic-parent=\"5\" data-semantic-role=\"prefix function\" data-semantic-type=\"function\"><mjx-c noic=\"true\" style=\"padding-top: 0.485em;\">c</mjx-c><mjx-c noic=\"true\" style=\"padding-top: 0.485em;\">o</mjx-c><mjx-c style=\"padding-top: 0.485em;\">s</mjx-c></mjx-mi><mjx-mo data-semantic-added=\"true\" data-semantic- data-semantic-operator=\"appl\" data-semantic-parent=\"5\" data-semantic-role=\"application\" data-semantic-type=\"punctuation\"><mjx-c></mjx-c></mjx-mo><mjx-mi data-semantic-annotation=\"clearspeak:simple\" data-semantic-font=\"italic\" data-semantic- data-semantic-parent=\"5\" data-semantic-role=\"greekletter\" data-semantic-type=\"identifier\" space=\"2\"><mjx-c>𝜒</mjx-c></mjx-mi></mjx-mrow><mjx-mo data-semantic- data-semantic-operator=\"relseq,≳\" data-semantic-parent=\"6\" data-semantic-role=\"inequality\" data-semantic-type=\"relation\" space=\"4\"><mjx-c>≳</mjx-c></mjx-mo><mjx-mn data-semantic-annotation=\"clearspeak:simple\" data-semantic-font=\"normal\" data-semantic- data-semantic-parent=\"6\" data-semantic-role=\"integer\" data-semantic-type=\"number\" space=\"4\"><mjx-c>0</mjx-c></mjx-mn></mjx-mrow></mjx-math></mjx-container> in the quarkonium rest frame, where the perturbative emissions are depleted due to the dead-cone effects. We expect the quarkonium energy correlator to add a new dimen","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":"7 1","pages":""},"PeriodicalIF":8.6,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142574702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}
J. F. Mendez-Valderrama, Dan Mao, Debanjan Chowdhury
{"title":"Low-Energy Optical Sum Rule in Moiré Graphene","authors":"J. F. Mendez-Valderrama, Dan Mao, Debanjan Chowdhury","doi":"10.1103/physrevlett.133.196501","DOIUrl":"https://doi.org/10.1103/physrevlett.133.196501","url":null,"abstract":"Few layers of graphene at small twist angles have emerged as a fascinating platform for studying the problem of strong interactions in regimes with a nearly quenched single-particle kinetic energy and nontrivial band topology. Starting from the strong-coupling limit of twisted bilayer graphene with a vanishing single-electron bandwidth and interlayer tunneling between the same sublattice sites, we present an <i>exact</i> analytical theory of the Coulomb interaction-induced low-energy optical spectral weight at all <i>integer</i> fillings. In this limit, while the interaction-induced single-particle dispersion is finite, the optical spectral weight vanishes identically at integer fillings. We study corrections to the optical spectral weight by systematically including the effects of experimentally relevant strain-induced renormalization of the single-electron bandwidth and interlayer tunnelings between the same sublattice sites. Given the relationship between the optical spectral weight and the diamagnetic response that controls superconducting <mjx-container ctxtmenu_counter=\"30\" ctxtmenu_oldtabindex=\"1\" jax=\"CHTML\" overflow=\"linebreak\" role=\"tree\" sre-explorer- style=\"font-size: 100.7%;\" tabindex=\"0\"><mjx-math data-semantic-structure=\"(2 0 1)\"><mjx-msub data-semantic-children=\"0,1\" data-semantic- data-semantic-owns=\"0 1\" data-semantic-role=\"latinletter\" data-semantic-speech=\"upper T Subscript c\" data-semantic-type=\"subscript\"><mjx-mi data-semantic-annotation=\"clearspeak:simple\" data-semantic-font=\"italic\" data-semantic- data-semantic-parent=\"2\" data-semantic-role=\"latinletter\" data-semantic-type=\"identifier\"><mjx-c>𝑇</mjx-c></mjx-mi><mjx-script style=\"vertical-align: -0.15em; margin-left: -0.048em;\"><mjx-mi data-semantic-annotation=\"clearspeak:simple\" data-semantic-font=\"italic\" data-semantic- data-semantic-parent=\"2\" data-semantic-role=\"latinletter\" data-semantic-type=\"identifier\" size=\"s\"><mjx-c>𝑐</mjx-c></mjx-mi></mjx-script></mjx-msub></mjx-math></mjx-container>, our results highlight the relative importance of specific parent insulating phases in enhancing the tendency towards superconductivity when doped away from integer fillings.","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":"26 1","pages":""},"PeriodicalIF":8.6,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142574703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}
Physical review lettersPub Date : 2024-11-01Epub Date: 2022-03-14DOI: 10.1080/08869634.2022.2045114
Andrew J Gross, John W Hudson, Catalina Matias, Brady J Jones
{"title":"Effects of onabotulinumtoxin A in patients concurrently diagnosed with chronic migraine encephalalgia and temporomandibular disorders: A retrospective case series.","authors":"Andrew J Gross, John W Hudson, Catalina Matias, Brady J Jones","doi":"10.1080/08869634.2022.2045114","DOIUrl":"10.1080/08869634.2022.2045114","url":null,"abstract":"<p><strong>Objective: </strong>Chronic migraine encephalalgia (CME) with concomitant temporomandibular disorder (TMD) is a serious illness with limited effective treatment options. This study explores the effectiveness of onabotulinumtoxinA (BtxA) as an adjunct therapeutic to TMJ arthroscopy in the relief of CME.</p><p><strong>Methods: </strong>A retrospective cohort study of patients receiving TMJ arthroscopy, with or without BtxA injections for CME, was conducted. Variables assessed include pain using a visual analog scale (VAS), maximal incisal opening (MIO), muscle soreness, and headache frequency and duration.</p><p><strong>Results: </strong>Sixty patients (44 BtxA, 16 Control), consisting of 56 (93.3%) females, met inclusion criteria. A significant reduction in pain is reported with patients receiving BtxA (<i>p</i> < 0.0001) on VAS as compared to Control group. BtxA treatment also significantly reduced headache frequency and duration (<i>p</i> < 0.05).</p><p><strong>Conclusion: </strong>These results support the use of adjunctive BtxA treatment with arthroscopy for the treatment of CME in the context of TMD.</p>","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":"35 1","pages":"688-698"},"PeriodicalIF":2.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84331983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}
Raúl Carballo-Rubio, Francesco Di Filippo, Stefano Liberati, Matt Visser
{"title":"Mass Inflation without Cauchy Horizons","authors":"Raúl Carballo-Rubio, Francesco Di Filippo, Stefano Liberati, Matt Visser","doi":"10.1103/physrevlett.133.181402","DOIUrl":"https://doi.org/10.1103/physrevlett.133.181402","url":null,"abstract":"Mass inflation is a well established instability, conventionally associated to Cauchy horizons (which are also inner trapping horizons) of stationary geometries, leading to a divergent exponential buildup of energy. We show here that finite (but often large) exponential buildups of energy are present for dynamical geometries describing accreting black holes with slowly evolving inner trapping horizons, even in the absence of Cauchy horizons. The explicit evaluation of the adiabatic conditions behind these exponential buildups shows that this phenomenon is universally present for physically reasonable accreting conditions. This noneternal mass inflation does not require the introduction of global spacetime concepts. We also show that various known results in the literature are recovered in the limit in which the inner trapping horizon asymptotically approaches a Cauchy horizon. Our results imply that black hole geometries with nonextremal inner horizons, including the Kerr geometry in general relativity, and nonextremal regular black holes in theories beyond general relativity, can describe dynamical transients but not the long-lived end point of gravitational collapse.","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":"16 1","pages":""},"PeriodicalIF":8.6,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142561907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}
M. Carbone, V. J. Peterhans, A. S. Ecker, M. Wilczek
{"title":"Tailor-Designed Models for the Turbulent Velocity Gradient through Normalizing Flow","authors":"M. Carbone, V. J. Peterhans, A. S. Ecker, M. Wilczek","doi":"10.1103/physrevlett.133.184001","DOIUrl":"https://doi.org/10.1103/physrevlett.133.184001","url":null,"abstract":"Small-scale turbulence can be comprehensively described in terms of velocity gradients, which makes them an appealing starting point for low-dimensional modeling. Typical models consist of stochastic equations based on closures for nonlocal pressure and viscous contributions. The fidelity of the resulting models depends on the accuracy of the underlying modeling assumptions. Here, we discuss an alternative data-driven approach leveraging machine learning to derive a velocity gradient model which captures its statistics by construction. We use a normalizing flow to learn the velocity gradient probability density function (PDF) from direct numerical simulation (DNS) of incompressible turbulence. Then, by using the equation for the single-time PDF of the velocity gradient, we construct a deterministic, yet chaotic, dynamical system featuring the learned steady-state PDF by design. Finally, utilizing gauge terms for the velocity gradient single-time statistics, we optimize the time correlations as obtained from our model against the DNS data. As a result, the model time realizations resemble the time series from DNS statistically closely.","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":"6 1","pages":""},"PeriodicalIF":8.6,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142561903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}
N. Melzer, M. Kircher, A. Pier, L. Kaiser, J. Kruse, N. Anders, J. Stindl, L. Sommerlad, D. McGinnis, M. Schmidt, L. Nowak, A. Kügler, I. Dwojak, J. Drnec, F. Trinter, M. S. Schöffler, L. Ph. H. Schmidt, N. M. Novikovskiy, Ph. V. Demekhin, T. Jahnke, R. Dörner
{"title":"Role of the Coulomb Potential in Compton Scattering","authors":"N. Melzer, M. Kircher, A. Pier, L. Kaiser, J. Kruse, N. Anders, J. Stindl, L. Sommerlad, D. McGinnis, M. Schmidt, L. Nowak, A. Kügler, I. Dwojak, J. Drnec, F. Trinter, M. S. Schöffler, L. Ph. H. Schmidt, N. M. Novikovskiy, Ph. V. Demekhin, T. Jahnke, R. Dörner","doi":"10.1103/physrevlett.133.183002","DOIUrl":"https://doi.org/10.1103/physrevlett.133.183002","url":null,"abstract":"We report a fully differential study of ionization of the Ne L shell by Compton scattering of 20 keV photons. We find two physical mechanisms that modify the Compton-electron emission. Firstly, we observe scattering of the Compton electrons at their parent nucleus. Secondly, we find a distinct maximum in the electron momentum distribution close-to-zero momentum that we attribute to a focusing of the electrons by the Coulomb potential.","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":"22 1","pages":""},"PeriodicalIF":8.6,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142561902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}