Two-level masers as heat-to-work converters

被引：40

作者：

Ghosh, Arnab ^{[1
,2
]}

Gelbwaser-Klimovsky, David ^{[3
]}

Niedenzu, Wolfgang ^{[2
,4
]}

Lvovsky, Alexander, I ^{[5
,6
,7
,8
]}

Mazets, Igor ^{[9
,10
]}

Scully, Marlan O. ^{[11
,12
,13
]}

Kurizki, Gershon ^{[2
]}

机构：

[1] Shanghai Univ, Dept Phys, Shanghai 200444, Peoples R China

[2] Weizmann Inst Sci, Dept Chem & Biol Phys, IL-7610001 Rehovot, Israel

[3] Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA

[4] Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria

[5] Univ Calgary, Inst Quantum Sci & Technol, Calgary, AB T2N 1N4, Canada

[6] Russian Quantum Ctr, Int Ctr Quantum Opt & Quantum Technol, Moscow 143025, Russia

[7] Univ Elect Sci & Technol, Inst Fundamental & Frontier Sci, Chengdu 610054, Sichuan, Peoples R China

[8] Univ Oxford, Clarendon Lab, Parks Rd, Oxford OX1 3PU, England

[9] Tech Univ Wien, Atominst, A-1020 Vienna, Austria

[10] Univ Wien, Wolfgang Pauli Inst, A-1090 Vienna, Austria

[11] Texas A&M Univ, Inst Quantum Sci & Engn, College Stn, TX 77843 USA

[12] Princeton Univ, Dept Mech & Aerosp Engn, Princeton, NJ 08544 USA

[13] Baylor Univ, Dept Phys, Waco, TX 76798 USA

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2018年 / 115卷 / 40期

基金：

加拿大自然科学与工程研究理事会;

关键词：

maser; heat; laser; QUANTUM; THERMODYNAMICS; STATE;

D O I：

10.1073/pnas.1805354115

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Heat engines, which cyclically transform heat into work, are ubiquitous in technology. Lasers and masers may be viewed as heat engines that rely on population inversion or coherence in the active medium. Here we put forward an unconventional paradigm of a remarkably simple and robust electromagnetic heat-powered engine that bears basic differences to any known maser or laser: The proposed device makes use of only one Raman transition and does not rely on population inversion or coherence in its two-level working medium. Nor does it require any coherent driving. The engine can be powered by the ambient temperature difference between the sky and the ground surface. Its autonomous character and "free" power source make this engine conceptually and technologically enticing.

引用

页码：9941 / 9944

页数：4

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