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A theory of electronic friction is developed using the exact factorization of the electron-nuclear wavefunction. No assumption is made regarding the electronic bath, which can be made of independent or interacting electrons, and the nuclei…

量子物理 · 物理学 2022-06-01 Rocco Martinazzo , Irene Burghardt

Different dynamical states ranging from coherent, incoherent to chimera, multichimera, and related transitions are addressed in a globally coupled nonlinear continuum chemical oscillator system by implementing a modified complex…

统计力学 · 物理学 2024-12-11 Premashis Kumar , Gautam Gangopadhyay

We report measurements of the real and imaginary parts of the AC conductivity in the quantum limit, \hbar \omega > k_B T of insulating nominally uncompensated n-type silicon. The observed frequency dependence shows evidence for a crossover…

无序系统与神经网络 · 物理学 2007-05-23 N. P. Armitage , E. Helgren , G. Gruner

We formulate a general mean-field theory of a flat electric double layer in ionic liquids and electrolyte solutions with ions possessing static polarizability and a permanent dipole moment on a charged electrode. We establish a new…

统计力学 · 物理学 2021-08-17 Yu. A. Budkov , S. V. Zavarzin , A. L. Kolesnikov

The various thermodynamic functions dependence on degree of energy band occupation and temperature was studied. The one-band tight binding approximation for the electron energy spectrum was used. The Fermi energy, density of states,…

统计力学 · 物理学 2010-10-11 B. V. Karpenko , A. V. Kuznetzov , V. V. Dyakin

Scaling analysis exploiting timescale separation has been one of the most important techniques in the quantitative analysis of nonlinear dynamical systems in mathematical and theoretical biology. In the case of enzyme catalyzed reactions,…

定量方法 · 定量生物学 2023-03-21 Justin Eilertsen , Wylie Stroberg , Santiago Schnell

Vibronic coupling constants in the monoanionic, trianionic, and excited states of picene are evaluated from the total energy gradients using the density functional theory. Employing the calculated vibronic coupling constants in the excited…

化学物理 · 物理学 2015-06-04 Tohru Sato , Naoya Iwahara , Kazuyoshi Tanaka

We develop an approach to liquid thermodynamics based on collective modes. We perform extensive molecular dynamics simulations of noble, molecular and metallic liquids and provide the direct evidence that liquid energy and specific heat are…

软凝聚态物质 · 物理学 2017-03-08 L. Wang , C. Yang , M. T. Dove , Yu. D. Fomin , V. V. Brazhkin , K. Trachenko

There is a lack of scalable quantitative measures of reactivity for functional groups in organic chemistry. Measuring reactivity experimentally is costly and time-consuming and does not scale to the astronomical size of chemical space. In…

计算物理 · 物理学 2021-03-29 Mohammadamin Tavakoli , Aaron Mood , David Van Vranken , Pierre Baldi

Paired electrolysis at industrial current densities offers an energy-efficient and sustainable alternative to thermocatalytic chemical synthesis by leveraging anodic and cathodic valorization. However, its industrial feasibility remains…

Kinetic isotope effect (KIE) is a common physicochemical effect to elucidate complicated microscopic reaction mechanism in biological, chemical and physical systems. Especially, the exchange of hydrogen to deuterium is a standard approach…

化学物理 · 物理学 2019-08-16 Ken Sakaushi

Electrophoresis has been shown as a novel methodology to enhance heat conduction capabilities of nanocolloidal dispersions. A thoroughly designed experimental system has been envisaged to solely probe heat conduction across nanofluids by…

应用物理 · 物理学 2018-07-10 Purbarun Dhar , Lakshmi Sirisha Maganti , A R Harikrishnan , Chandan Rajput

Some of the most spectacular failures of density-functional and Hartree-Fock theories are related to an incorrect description of the so-called static electron correlation. Motivated by recent progress on the N-representability problem of…

In the framework of density functional theory a new formulation of electronegativity that recovers the Mulliken definition is proposed and its reliability is checked by computing electronegativity values for a large number of elements. It…

化学物理 · 物理学 2007-05-23 Mihai V. Putz , Nino Russo , Emilia Sicilia

With the eigenfunctional theory, we study a general interacting electron system, and give a rigorous expression of its ground state energy which is composed of two parts, one part is contributed by the non-interacting electrons, and another…

材料科学 · 物理学 2007-12-07 Yu-Liang Liu

The success of spectroscopy to characterise equilibrium fluids, for example the heat capacity ratio, suggests a parallel approach for active fluids. Here, we start from a hydrodynamic description of chiral active fluids composed of spinning…

软凝聚态物质 · 物理学 2022-07-22 Debarghya Banerjee , Anton Souslov , Vincenzo Vitelli

In this work we study, at the single molecular level, the thermodynamic and dynamic characteristics of an enzymatic reaction comprising a rate limiting step. We investigate how the stability of the enzyme-state stationary probability…

亚细胞过程 · 定量生物学 2015-05-20 Moisés Santillán

The creation of synthetic systems that emulate the defining properties of living matter, such as motility, gradient-sensing, signalling and replication, is a grand challenge of biomimetics. Such imitations of life crucially contain active…

软凝聚态物质 · 物理学 2015-06-17 Suropriya Saha , Ramin Golestanian , Sriram Ramaswamy

Cells generally convert nutrient resources to useful products via energy transduction. Accordingly, the thermodynamic efficiency of this conversion process is one of the most essential characteristics of living organisms. However, although…

生物物理 · 物理学 2016-05-04 Yusuke Himeoka , Kunihiko Kaneko

The out-of-equilibrium character of active systems is often twofold, arising from both the activity itself and from non-reciprocal couplings between constituents. A well-established measure to quantify the system's distance from equilibrium…

统计力学 · 物理学 2026-02-13 Kim L. Kreienkamp , Sabine H. L. Klapp