Journal of Statistical Physics最新文献_第3页

Regularity, Linear Response Formula and Differentiability of the Free Energy for Non-uniformly Expanding Local Homeomorphisms 非均匀展开局部同胚的正则性、线性响应公式和自由能的可微性

IF 1.2 3区物理与天体物理

Journal of Statistical Physics Pub Date : 2026-03-07 DOI: 10.1007/s10955-026-03593-3

Carlos Bocker, Ricardo Bortolotti, Armando Castro, Sávio Santana

引用次数: 0

Periodically Forced Pinned Anharmonic Atom Chains 周期性强迫固定的非调和原子链

IF 1.2 3区物理与天体物理

Journal of Statistical Physics Pub Date : 2026-03-07 DOI: 10.1007/s10955-026-03589-z

S. Darshan, A. Iacobucci, S. Olla, G. Stoltz

{"title":"Periodically Forced Pinned Anharmonic Atom Chains","authors":"S. Darshan, A. Iacobucci, S. Olla, G. Stoltz","doi":"10.1007/s10955-026-03589-z","DOIUrl":"10.1007/s10955-026-03589-z","url":null,"abstract":"<div>Recent works proved a hydrodynamic limit for periodically forced atom chains with harmonic interaction and pinning, together with momentum flip [16, 17]. When energy is the only conserved quantity, one would expect similar results in the anharmonic case, as conjectured for the temperature profile and energy flux in [18]. However, outside the harmonic case, explicit computations are generally no longer possible, thus making a rigorous proof of this hydrodynamic limit difficult. Consequently, we numerically investigate the plausibility of this limit for the particular case of a chain with (beta )–FPUT interactions and harmonic pinning. We present our simulation results suggesting that the PDE for the limiting temperature profile and the Green–Kubo type formula for the limiting energy current conjectured in [18] are correct. We then use this Green–Kubo type formula to investigate the relationship between the energy current and period of the forcing. This relationship is investigated in the case of significant rate of momentum flip, small rate of momentum flip and no momentum flip. We compare the relationship observed in the anharmonic case to that of the harmonic case for which explicit formulae are available [16].</div>","PeriodicalId":667,"journal":{"name":"Journal of Statistical Physics","volume":"193 3","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147362818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Limit Theorems for One-Dimensional Homogenized Diffusion Processes 一维均匀扩散过程的极限定理

IF 1.2 3区物理与天体物理

Journal of Statistical Physics Pub Date : 2026-03-02 DOI: 10.1007/s10955-026-03592-4

Jaroslav I. Borodavka, Sebastian Krumscheid

引用次数: 0

Convergent Power Series for Anharmonic Chain with Periodic Forcing 具有周期强迫的非调和链的收敛幂级数

IF 1.2 3区物理与天体物理

Journal of Statistical Physics Pub Date : 2026-02-25 DOI: 10.1007/s10955-026-03577-3

Pedro L. Garrido, Tomasz Komorowski, Joel L. Lebowitz, Stefano Olla

引用次数: 0

Thermodynamic Performance of a Quantum Stirling Engine with a Three-spin LMG Model under Anisotropic Coupling 各向异性耦合下三自旋LMG模型量子斯特林发动机的热力学性能

IF 1.2 3区物理与天体物理

Journal of Statistical Physics Pub Date : 2026-02-24 DOI: 10.1007/s10955-026-03584-4

Minghui Ou, Tong Zhou, Li-Cai Zhao

{"title":"Thermodynamic Performance of a Quantum Stirling Engine with a Three-spin LMG Model under Anisotropic Coupling","authors":"Minghui Ou, Tong Zhou, Li-Cai Zhao","doi":"10.1007/s10955-026-03584-4","DOIUrl":"10.1007/s10955-026-03584-4","url":null,"abstract":"<div>The quantum thermodynamic performance of a Stirling cycle employing a three-spin Lipkin-Meshkov-Glick (LMG) model is investigated under varying magnetic interaction anisotropies and control parameters. The model operates in the anisotropic XY regime ((gamma =+1)), the Ising limit ((gamma =0)), and the mixed ferromagnetic regime ((gamma =-1)), with key thermodynamic quantities evaluated across a range of temperature ratios, magnetic field strengths, and coupling asymmetries. The mean energy landscape reveals a strong dependence on the anisotropy parameter, highlighting quantum coherence effects and spin alignment. The operational phase space is mapped, showing distinct transitions between heat engine, refrigerator, and heater modes, with (gamma =+1) exhibiting the broadest mode diversity and (gamma =-1) yielding robust engine-like behavior. Thermodynamic quantities such as heat exchange and work output are analyzed, showing mode transitions driven by magnetic field tuning. Efficiency, refrigeration performance (ε), and the refined performance coefficient (Π) are presented, revealing intricate dependencies on system parameters. Anisotropic spin coupling is shown to enhance thermodynamic responsiveness, while strong magnetic fields induce saturation and performance decline due to level polarization. The results demonstrated that quantum many-body interactions, when properly tuned, could be harnessed to optimize the design of nanoscale heat engines, refrigerators, and other quantum thermal devices.</div>","PeriodicalId":667,"journal":{"name":"Journal of Statistical Physics","volume":"193 3","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147341534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Essential Difference Between 2D and 3D From the Perspective of real-space Renormalization Group 从实空间重整化群的角度看二维与三维的本质区别

IF 1.2 3区物理与天体物理

Journal of Statistical Physics Pub Date : 2026-02-23 DOI: 10.1007/s10955-026-03587-1

Xinliang Lyu, Naoki Kawashima

{"title":"Essential Difference Between 2D and 3D From the Perspective of real-space Renormalization Group","authors":"Xinliang Lyu, Naoki Kawashima","doi":"10.1007/s10955-026-03587-1","DOIUrl":"10.1007/s10955-026-03587-1","url":null,"abstract":"<div>We point out that area laws of quantum-information concepts indicate limitations of block transformations as well-behaved real-space renormalization group (RG) maps, which in turn guides the design of better RG schemes. Mutual-information area laws imply the difficulty of Kadanoff’s block-spin method in two dimensions (2D) or higher due to the growth of short-scale correlations among the spins on the boundary of a block. A leap to the tensor-network RG, in hindsight, follows the guidance of mutual information and is efficient in 2D, thanks to its mixture of quantum and classical perspectives and the saturation of entanglement entropy in 2D. In three dimensions (3D), however, entanglement grows according to the area law, posing a threat to a 3D block-tensor map as an apt RG transformation. As numerical evidence, we show that estimates of 3D Ising critical exponents fail to converge with respect to the RG step, making the 3D block-tensor map an unreliable RG method. Moreover, the estimates do not improve as more coupling constants are retained. As a guidance to proceed, a tensor-network toy model is proposed to capture the 3D entanglement-entropy area law.</div>","PeriodicalId":667,"journal":{"name":"Journal of Statistical Physics","volume":"193 3","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147341073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Limiting Behavior for Stochastic Reaction-Diffusion System with Fast Oscillation and Non-Lipschitz Drift in Unbounded Domains 无界区域上具有快速振荡和非lipschitz漂移的随机反应扩散系统的极限行为

IF 1.2 3区物理与天体物理

Journal of Statistical Physics Pub Date : 2026-02-20 DOI: 10.1007/s10955-026-03590-6

Zhaoyang Qiu, Daiwen Huang

引用次数: 0

Newtonian (r^{-2}) and MONDian (r^{-1}) Dependence of Verlinde’s Conjectures for Quartic Quantum Anharmonic Oscillators: Statistical Treatment 牛顿的(r^{-2})和MONDian的(r^{-1}) Verlinde猜想对四次量子非调和振子的依赖性：统计处理

IF 1.2 3区物理与天体物理

Journal of Statistical Physics Pub Date : 2026-02-18 DOI: 10.1007/s10955-026-03588-0

Sid-Ahmed Yahiaoui, Othmane Cherroud

{"title":"Newtonian (r^{-2}) and MONDian (r^{-1}) Dependence of Verlinde’s Conjectures for Quartic Quantum Anharmonic Oscillators: Statistical Treatment","authors":"Sid-Ahmed Yahiaoui, Othmane Cherroud","doi":"10.1007/s10955-026-03588-0","DOIUrl":"10.1007/s10955-026-03588-0","url":null,"abstract":"<div>According to Verlinde’s conjecture(s), the gravitational interaction is just an emergent phenomenon of spatial variation of the entropy, generating the (r^{-2}) Newtonian force regardless of the distance scales. In this paper, the underlying arguments of such radial departure from distance scale are discussed in the framework of Boltzmann-Gibbs statistics for a gas composed of N quartic quantum anharmonic oscillators and exploiting an optimization procedure proposed by Burrows, Cohen, and Feldmann (BCF). The study in the framework of Boltzmann-Gibbs statistics is essential because it gives us a result that remains valid even at long-range interaction distances, contrary to what is said in the literature. We use the BCF optimization procedure to find low ((alpha ^*_textrm{low})) and high ((alpha ^*_textrm{high})) frequencies, the extremized partition function (Z_{alpha ^{*}}(beta )), the time evolution operator (mathcal {U}_{alpha ^*}(t,0)), and the density matrix (rho _{n,alpha ^*}) of the gas in a region where perturbation theory breaks down and it is no longer valid. After that, the expression of the ”original” partition function (Z_alpha (beta )) for such gas is obtained for both low and high frequencies. We prove that in the classical limit, (T rightarrow +infty ), the attempt fails, and one needs to modify the first conjecture to obtain the (r^{-2}) Newtonian force. In contrast, at the highest distances, (rgg 1), the second conjecture remains as it was postulated, but the gravity departs from its classical nature and exhibits (r^{-1}) MONDian force.</div>","PeriodicalId":667,"journal":{"name":"Journal of Statistical Physics","volume":"193 3","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147339995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Stability of Fixed Points for Nonlinear Selfconsistent Transfer Operators via Cone Contractions 锥缩非线性自洽转移算子不动点的稳定性

IF 1.2 3区物理与天体物理

Journal of Statistical Physics Pub Date : 2026-02-14 DOI: 10.1007/s10955-026-03586-2

Roberto Castorrini, Stefano Galatolo, Matteo Tanzi

引用次数: 0

A rigorous Keldysh functional integral for fermions 费米子的严格Keldysh泛函积分

IF 1.2 3区物理与天体物理

Journal of Statistical Physics Pub Date : 2026-02-14 DOI: 10.1007/s10955-026-03583-5

Philipp Benjamin Aretz, Manfred Salmhofer

引用次数: 0