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相关论文: Decoherence versus Dynamical Casimir Effect

200 篇论文

The problem of parameterizing the interactions of larger scales and smaller scales in fluid flows is addressed by considering a property of two-dimensional incompressible turbulence. The property we consider is selective decay, in which a…

混沌动力学 · 物理学 2018-10-31 F. Gay-Balmaz , D. D. Holm

We propose to use quantum coherence as ultimate proof of quantum nature in the radiation that appears by means of the Dynamical Casimir Effect in experiments with superconducting microwave waveguides. We show that, unlike previously…

量子物理 · 物理学 2022-11-17 D. N. Samos-Sáenz de Buruaga , Carlos Sabín

In any medium there are fluctuations due to temperature or due to the quantum nature of its constituents. If a material body is immersed into such a medium, its shape and the properties of its constituents modify the properties of the…

统计力学 · 物理学 2022-12-27 D. M. Dantchev , S. Dietrich

In the final few years of his life, Julian Schwinger proposed that the ``dynamical Casimir effect'' might provide the driving force behind the puzzling phenomenon of sonoluminescence. Motivated by that exciting suggestion, we have computed…

高能物理 - 理论 · 物理学 2008-11-26 Kimball A. Milton , Y. Jack Ng

The original Casimir effect results from the difference in the vacuum energies of the electromagnetic field, between that in a region of space with boundary conditions and that in the same region without boundary conditions. In this paper…

广义相对论与量子宇宙学 · 物理学 2009-11-07 Daniel Muller , Helio V. Fagundes

The resonant scalar particle generation for a swinging cavity resonator in the Casimir vacuum is examined. It is shown that the number of particles grows exponentially when the cavity rotates at some specific external frequency.

量子物理 · 物理学 2009-11-13 Cem Yuce , Zalihe Ozcakmakli

The dynamics of a dimer coupled to two different environments each in a spin star configuration under the influence of decoherence is studied. The exact analytical expression for the transition probability in the dimer system is obtained…

量子物理 · 物理学 2014-01-15 I. Sinayskiy , A. Marais , F. Petruccione , A. Ekert

Molecular quantum electrodynamics leads to photon frequency shifts and thus to changes in condensed matter free energies often called the Casimir effect. Strong quantum electrodynamic coupling between radiation and molecular motions can…

统计力学 · 物理学 2013-05-29 S. Sivasubramanian , A. Widom , Y. N. Srivastava

It is known that one can characterize the decoherence strength of a Markovian environment by the product of its temperature and induced damping, and order the decoherence strength of multiple environments by this quantity. We show that for…

量子物理 · 物理学 2012-05-24 C. H. Fleming , B. L. Hu , Albert Roura

We address the system-reservoir dynamics of classical and quantum correlations in the decoherence phenomenon, regarding a two qubit composite system interacting with two independent environments. The most common noise channels (amplitude…

量子物理 · 物理学 2011-12-02 J. Maziero , T. Werlang , F. F. Fanchini , L. C. Celeri , R. M. Serra

Zero-point fluctuations in quantum fields give rise to observable forces between material bodies, the so-called Casimir forces. In this lecture I present some results of the theory of the Casimir effect, primarily formulated in terms of…

高能物理 - 理论 · 物理学 2009-09-25 Kimball A. Milton

Real world quantum systems are open to perpetual influence from the wider environment. Quantum gravitational fluctuations provide a most fundamental source of the environmental influence through their universal interactions with all forms…

量子物理 · 物理学 2016-02-10 Teodora Oniga , Charles H. -T. Wang

The primary focus of this dissertation is the study of the Casimir effect and the possibility that this phenomenon may serve as a mechanism to mediate higher dimensional stability, and also as a possible mechanism for creating a small but…

广义相对论与量子宇宙学 · 物理学 2009-01-26 Richard K. Obousy

We investigate the nonequilibrium dynamics and loss of coherence in a quantum impurity system using the spinless resonant level model subject to sudden quenches of the hybridization between the impurity and the metal. The survival…

介观与纳米尺度物理 · 物理学 2026-05-05 Felipe D. Picoli , Gustavo Diniz , Luiz N. Oliveira

We consider a non-spherical neutral particle spinning in free space and interacting with the electromagnetic quantum vacuum. When the rotation axis is orthogonal to the particle symmetry axis, the scattered field develops frequency…

We study the thermal Casimir effect between two thick slabs composed of plane-parallel layers of random dielectric materials interacting across an intervening homogeneous dielectric. It is found that the effective interaction at long…

统计力学 · 物理学 2011-12-30 David S. Dean , Ron R. Horgan , Ali Naji , Rudolf Podgornik

An "almost diagonal" reduced density matrix (in coordinate representation) is usually a result of environment induced decoherence and is considered the sign of classical behavior. We point out that the proton of a ground state hydrogen atom…

量子物理 · 物理学 2016-09-08 Gyula Bene , Szabolcs Borsanyi

We present a general analytical approach to investigate relativistic corrections in the dynamical Casimir effect (DCE). Particularly, we discuss the behavior of the additional frequency bands that appear in the spectral distribution of the…

量子物理 · 物理学 2015-06-17 Andreson L. C. Rego , João Paulo da S. Alves , Danilo T. Alves , C. Farina

Casimir forces are conventionally computed by analyzing the effects of boundary conditions on a fluctuating quantum field. Although this analysis provides a clean and calculationally tractable idealization, it does not always accurately…

高能物理 - 理论 · 物理学 2008-11-26 N. Graham , R. L. Jaffe , V. Khemani , M. Quandt , O. Schroeder , H. Weigel

Cooperative effects in the loss (the amplitude damping) and decoherence (the phase damping) of the qubits (two-state quantum systems) due to the inevitable coupling to the same environment are investigated. It is found that the qubits…

量子物理 · 物理学 2007-05-23 Lu-Ming Duan , Guang-Can Guo