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Related papers: Pre-Cooling Strategy Allows Exponentially Faster H…

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Algorithmic Cooling is a method that uses novel data compression techniques and simplecquantum computing devices to improve NMR spectroscopy, and to offer scalable NMR quantum computers. The algorithm recursively employs two steps. A…

Quantum Physics · Physics 2009-11-11 Jose M. Fernandez , Tal Mor , Yossi Weinstein

This paper discusses a quantum optical heating mechanism which might play an important role in sonoluminescence experiments. We suggest that this mechanism occurs during the final stages of the bubble collapse phase and accompanies the…

Quantum Physics · Physics 2012-07-31 Almut Beige , Antonio Capolupo , Andreas Kurcz

We identify and interpret the possible quantum thermal machine regimes with a transverse-field Ising model as the working substance. In general, understanding the emergence of such regimes in a many-body quantum system is challenging due to…

Refrigerators use a thermodynamic cycle to move thermal energy from a cold reservoir to a hot one. Implementing this operation principle with mesoscopic components has recently emerged as a promising strategy to control heat currents in…

Mesoscale and Nanoscale Physics · Physics 2019-06-26 Paul Menczel , Tuomas Pyhäranta , Christian Flindt , Kay Brandner

Based on the phenomenological theory of heat diffusion, we show that the generated peak temperature $T_{\text{max}}$ after absorption of a laser pulse strongly depends on the pulse duration. We identify three different heat conduction…

Applied Physics · Physics 2020-02-26 Roman Shayduk , Peter Gaal

A large class of isolated quantum system in a pure state can equilibrate and serve as a heat bath. We show that once the equilibrium is reached, any of its subsystems that is much smaller than the isolated system is thermalized such that…

Statistical Mechanics · Physics 2014-06-13 Quntao Zhuang , Biao Wu

Pure quantum states play a central role in applications of quantum information, both as initial states for many algorithms and as resources for quantum error correction. Preparation of highly pure states that satisfy the threshold for…

Quantum Physics · Physics 2016-05-04 Nayeli A. Rodríguez-Briones , Raymond Laflamme

We introduce an algorithm to systematically improve the efficiency of parallel tempering Monte Carlo simulations by optimizing the simulated temperature set. Our approach is closely related to a recently introduced adaptive algorithm that…

Other Condensed Matter · Physics 2007-05-23 Helmut G. Katzgraber , Simon Trebst , David A. Huse , Matthias Troyer

This paper is a contribution to the understanding of the thermal properties of aging systems where statistically independent degrees of freedom with largely separated timescales are expected to coexist. Focusing on the prototypical case of…

Statistical Mechanics · Physics 2015-06-03 Federico Corberi , Giuseppe Gonnella , Antonio Piscitelli

Pool boiling is one of the efficient ways to remove heat from high-power electronics, heat exchangers, and nuclear reactors. Nowadays, the pool boiling method is tried to exercise frequently due to its ability to remove high heat flux…

Fluid Dynamics · Physics 2021-10-28 K. Mondal , A. Bhattacharya

With the increasing frequency, intensity, and duration of extreme heat events due to climate change, heat-related diseases or even mortality have become more prevalent. An efficient personal cooling strategy can mitigate heat stress by…

Applied Physics · Physics 2024-12-03 Tianshi Feng , Jiedong Wang , Ethan Sun , Antonio Di Buono , Renkun Chen

Experiments with antihydrogen ($\overline{\text{H}}$) for a study of matter--antimatter symmetry and antimatter gravity require ultracold $\overline{\text{H}}$ to reach ultimate precision. A promising path towards anti-atoms much colder…

Atomic Physics · Physics 2018-04-04 G. Cerchiari , A. Kellerbauer , M. S. Safronova , U. I. Safronova , P. Yzombard

Materials with higher operating temperatures than today's state of the art can improve system performance in several applications and enable new technologies. Under most scenarios, a protective oxide scale with high melting temperatures and…

Materials Science · Physics 2020-07-27 Zachary D. McClure , Alejandro H. Strachan

A lightsail can be accelerated to ultra-high speed by the radiation pressure of a laser having an intensity of the order of GW/m$^2$, which though presents a critical challenge in the thermal management of lightsails. In this letter, we…

Optics · Physics 2022-06-14 Weiliang Jin , Wei Li , Chinmay Khandekar , Meir Orenstein , Shanhui Fan

We propose a highly feasible technique with no experimental overhead to rapidly cool the in-plane degrees of freedom of large two-dimensional ion crystals in Penning traps. Through simulations, we demonstrate that our approach enables the…

Quantum Physics · Physics 2024-03-04 Wes Johnson , Athreya Shankar , John Zaris , John Bollinger , Scott E. Parker

This paper introduces a feedback-based temperature controller design for intelligent regulation of food internal temperature inside of standard convection ovens. Typical convection ovens employ an open-loop control system that requires a…

Systems and Control · Electrical Eng. & Systems 2021-04-27 Ramon Gloumakov

We present a variational approach for quantum simulators to realize finite temperature Gibbs states by preparing thermofield double (TFD) states. Our protocol is motivated by the quantum approximate optimization algorithm (QAOA) and…

Strongly Correlated Electrons · Physics 2019-12-04 Jingxiang Wu , Timothy H. Hsieh

The work describes the maximization problem regarding heating of an area on the surface of a thin plate within a given temperature range. The solution of the problem is applied to ion injectors. The given temperature range corresponds to a…

Computational Physics · Physics 2016-03-07 A. Ayriyan , E. E. Donets , H. Grigorian , N. Kolkovska , A. Lebedev

We present a family of integral equation-based solvers for the linear or semilinear heat equation in complicated moving (or stationary) geometries. This approach has significant advantages over more standard finite element or finite…

Numerical Analysis · Mathematics 2022-12-06 Jun Wang , Leslie Greengard , Shidong Jiang , Shravan Veerapaneni

Cooling of particles to mK-temperatures is essential for a variety of experiments with trapped charged particles. However, many species of interest lack suitable electronic transitions for direct laser cooling. We study theoretically the…

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