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Twisting organic molecules to switch altermagnetism 扭转有机分子来切换电磁
IF 7.5 1区 物理与天体物理
Science China Physics, Mechanics & Astronomy Pub Date : 2025-10-18 DOI: 10.1007/s11433-025-2791-x
Xincheng Xie
{"title":"Twisting organic molecules to switch altermagnetism","authors":"Xincheng Xie","doi":"10.1007/s11433-025-2791-x","DOIUrl":"10.1007/s11433-025-2791-x","url":null,"abstract":"","PeriodicalId":774,"journal":{"name":"Science China Physics, Mechanics & Astronomy","volume":"68 12","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145316357","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}
引用次数: 0
Regular black holes and reductions of thermodynamic phase spaces 规则黑洞和热力学相空间的缩减
IF 7.5 1区 物理与天体物理
Science China Physics, Mechanics & Astronomy Pub Date : 2025-10-17 DOI: 10.1007/s11433-025-2753-6
Meng-Sen Ma, Huai-Fan Li, Jian-Hua Shi
{"title":"Regular black holes and reductions of thermodynamic phase spaces","authors":"Meng-Sen Ma,&nbsp;Huai-Fan Li,&nbsp;Jian-Hua Shi","doi":"10.1007/s11433-025-2753-6","DOIUrl":"10.1007/s11433-025-2753-6","url":null,"abstract":"<div><p>The thermodynamic inconsistency observed in regular black holes is resolved through the framework of reduced thermodynamic phase spaces. We demonstrate that regular black holes are essentially induced from singular black holes by adding an extra requirement, which imposes a constraint among black hole parameters. This constraint reduces the thermodynamic phase space, rendering the standard form of the first law of black hole thermodynamics inapplicable. Accordingly, we propose a novel methodology to study the thermodynamic properties of regular black holes. Thermodynamic quantities must be defined in the full, unconstrained thermodynamic phase space of the underlying singular black holes; only afterward is the constraint imposed to derive the consistent and meaningful thermodynamic quantities of the regular black holes. Crucially, this framework extends beyond regular black holes and applies universally to any black hole with this kind of constraint.</p></div>","PeriodicalId":774,"journal":{"name":"Science China Physics, Mechanics & Astronomy","volume":"69 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145316335","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}
引用次数: 0
Probing the sign-changeable interaction between dark energy and dark matter with DESI baryon acoustic oscillations and DES supernovae data 利用DESI重子声学振荡和DES超新星数据探测暗能量和暗物质之间的符号变化相互作用
IF 7.5 1区 物理与天体物理
Science China Physics, Mechanics & Astronomy Pub Date : 2025-10-16 DOI: 10.1007/s11433-025-2771-5
Tian-Nuo Li, Guo-Hong Du, Yun-He Li, Peng-Ju Wu, Shang-Jie Jin, Jing-Fei Zhang, Xin Zhang
{"title":"Probing the sign-changeable interaction between dark energy and dark matter with DESI baryon acoustic oscillations and DES supernovae data","authors":"Tian-Nuo Li,&nbsp;Guo-Hong Du,&nbsp;Yun-He Li,&nbsp;Peng-Ju Wu,&nbsp;Shang-Jie Jin,&nbsp;Jing-Fei Zhang,&nbsp;Xin Zhang","doi":"10.1007/s11433-025-2771-5","DOIUrl":"10.1007/s11433-025-2771-5","url":null,"abstract":"<div><p>There is a possibility of interaction between dark energy and dark matter, and it may undergo a sign change during the evolution of the universe. In this paper, we utilize the latest DESI baryon acoustic oscillation data, along with type Ia supernova data from DES and cosmic microwave background data from Planck and ACT, to constrain models of sign-changeable interaction. From our analysis, we observe that the coupling <i>β</i>(<i>z</i>) crosses the non-interacting line <i>β</i>(<i>z</i>) = 0 and changes sign from positive to negative during cosmic evolution. Specifically, we find that the existence of sign-changeable interaction in the model with <i>Q</i> = <i>β</i>(<i>a</i>)<i>H</i><sub>0</sub><i>ρ</i><sub>de</sub> is supported by the current data at the 4.1<i>σ</i> level. Our findings indicate that the energy transfer is from dark matter to dark energy when dark matter dominates the universe, and from dark energy to dark matter when dark energy dominates, for the models with <i>Q</i> ∝ <i>ρ</i><sub>de</sub>. Furthermore, Bayesian evidence suggests that the <i>Q</i> ∝ <i>ρ</i><sub>de</sub> models are moderately preferred over the ACDM model. The overall outcomes of this study clearly indicate that, based on current observational data, the sign-changeable interacting dark energy models are quite compelling and merit further attention.</p></div>","PeriodicalId":774,"journal":{"name":"Science China Physics, Mechanics & Astronomy","volume":"69 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145316101","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}
引用次数: 0
Molecular ferroelectric altermagnetism by design 设计的分子铁电电磁学
IF 7.5 1区 物理与天体物理
Science China Physics, Mechanics & Astronomy Pub Date : 2025-10-16 DOI: 10.1007/s11433-025-2819-4
Ding-Fu Shao, Evgeny Y. Tsymbal
{"title":"Molecular ferroelectric altermagnetism by design","authors":"Ding-Fu Shao,&nbsp;Evgeny Y. Tsymbal","doi":"10.1007/s11433-025-2819-4","DOIUrl":"10.1007/s11433-025-2819-4","url":null,"abstract":"","PeriodicalId":774,"journal":{"name":"Science China Physics, Mechanics & Astronomy","volume":"68 12","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145316427","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}
引用次数: 0
Accurate cosmological emulators for CSST CSST精确的宇宙模拟器
IF 7.5 1区 物理与天体物理
Science China Physics, Mechanics & Astronomy Pub Date : 2025-10-16 DOI: 10.1007/s11433-025-2793-2
Zuhui Fan
{"title":"Accurate cosmological emulators for CSST","authors":"Zuhui Fan","doi":"10.1007/s11433-025-2793-2","DOIUrl":"10.1007/s11433-025-2793-2","url":null,"abstract":"","PeriodicalId":774,"journal":{"name":"Science China Physics, Mechanics & Astronomy","volume":"69 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145316100","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}
引用次数: 0
Quantum algorithm for Mastermind game Mastermind游戏的量子算法
IF 7.5 1区 物理与天体物理
Science China Physics, Mechanics & Astronomy Pub Date : 2025-10-16 DOI: 10.1007/s11433-025-2776-5
Xiaoming Sun
{"title":"Quantum algorithm for Mastermind game","authors":"Xiaoming Sun","doi":"10.1007/s11433-025-2776-5","DOIUrl":"10.1007/s11433-025-2776-5","url":null,"abstract":"","PeriodicalId":774,"journal":{"name":"Science China Physics, Mechanics & Astronomy","volume":"69 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145316102","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}
引用次数: 0
Electronic correlations and Hund’s rule coupling in trilayer nickelate La4Ni3O10 三层镍酸La4Ni3O10中的电子相关和Hund规则耦合
IF 7.5 1区 物理与天体物理
Science China Physics, Mechanics & Astronomy Pub Date : 2025-10-14 DOI: 10.1007/s11433-025-2794-6
Zihao Huo, Peng Zhang, Zihan Zhang, Defang Duan, Tian Cui
{"title":"Electronic correlations and Hund’s rule coupling in trilayer nickelate La4Ni3O10","authors":"Zihao Huo,&nbsp;Peng Zhang,&nbsp;Zihan Zhang,&nbsp;Defang Duan,&nbsp;Tian Cui","doi":"10.1007/s11433-025-2794-6","DOIUrl":"10.1007/s11433-025-2794-6","url":null,"abstract":"<div><p>Trilayer Ruddlesden-Popper phase La<sub>4</sub>Ni<sub>3</sub>O<sub>10</sub> has been observed with <i>T</i><sub><i>c</i></sub> of ∼30 K at high pressure in a recent experiment, which further expanded the family of nickelate superconductors. In this study, we explored the effects of electronic correlations in La<sub>4</sub>Ni<sub>3</sub>O<sub>10</sub> using density functional theory plus dynamical mean-field theory at ambient and high pressures. Our derived spectral functions and Fermi surface of the ambient pressure phase are nicely consistent with the experimental results by angle-resolved photoemission spectroscopy, which emphasized the importance of electronic correlations in La<sub>4</sub>Ni<sub>3</sub>O<sub>10</sub>. We also found the electronic correlations in pressurized La<sub>4</sub>Ni<sub>3</sub>O<sub>10</sub> are both orbital-dependent and layer-dependent due to the presence of Hund’s rule coupling. There is a competition between the Hund’s rule coupling and the crystal-field splitting, and therefore, the Ni–O layers with weaker crystal-field splitting energy would have stronger electronic correlations.</p></div>","PeriodicalId":774,"journal":{"name":"Science China Physics, Mechanics & Astronomy","volume":"68 12","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145316003","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}
引用次数: 0
Diagnosing exotic order in van der Waals magnets via magnons 通过磁振子诊断范德华磁体中的奇异秩序
IF 7.5 1区 物理与天体物理
Science China Physics, Mechanics & Astronomy Pub Date : 2025-10-14 DOI: 10.1007/s11433-025-2792-0
Jiang Xiao
{"title":"Diagnosing exotic order in van der Waals magnets via magnons","authors":"Jiang Xiao","doi":"10.1007/s11433-025-2792-0","DOIUrl":"10.1007/s11433-025-2792-0","url":null,"abstract":"","PeriodicalId":774,"journal":{"name":"Science China Physics, Mechanics & Astronomy","volume":"68 12","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145315999","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}
引用次数: 0
New probe of CP-violating neutral triple gauge boson couplings 违反cp的中性三规玻色子耦合的新探测
IF 7.5 1区 物理与天体物理
Science China Physics, Mechanics & Astronomy Pub Date : 2025-10-10 DOI: 10.1007/s11433-025-2812-x
Yugang Ma
{"title":"New probe of CP-violating neutral triple gauge boson couplings","authors":"Yugang Ma","doi":"10.1007/s11433-025-2812-x","DOIUrl":"10.1007/s11433-025-2812-x","url":null,"abstract":"","PeriodicalId":774,"journal":{"name":"Science China Physics, Mechanics & Astronomy","volume":"68 12","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145256293","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}
引用次数: 0
New insights on testing neutral triple gauge couplings and their CP properties at future electron-positron colliders 在未来电子-正电子对撞机中测试中性三规耦合及其CP特性的新见解
IF 7.5 1区 物理与天体物理
Science China Physics, Mechanics & Astronomy Pub Date : 2025-09-30 DOI: 10.1007/s11433-025-2814-9
Ken Mimasu
{"title":"New insights on testing neutral triple gauge couplings and their CP properties at future electron-positron colliders","authors":"Ken Mimasu","doi":"10.1007/s11433-025-2814-9","DOIUrl":"10.1007/s11433-025-2814-9","url":null,"abstract":"","PeriodicalId":774,"journal":{"name":"Science China Physics, Mechanics & Astronomy","volume":"68 12","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145256741","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}
引用次数: 0
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