Statphys ML の皆様、
Adolfo del Campo氏によるセミナーをご案内させて頂きます。
shortcuts to adiabaticityの研究を始めとして、量子ダイナミクスの分野で活躍されている方です。
ご来聴を歓迎致します。
東京大学 理学系研究科 物理学専攻 上田研究室
古川俊輔
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Speaker: Prof. Adolfo del Campo (UMass Boston)
Time: 15:00-16:30, July 4 (Tue.), 2017
Place: Room 201b, Faculty of Science Bldg.1, Hongo campus, Univ. of Tokyo
東京大学 本郷キャンパス 理学部1号館 201b号室
http://www.u-tokyo.ac.jp/campusmap/cam01_06_01_j.html
Title: Engineering Quantum Thermal Machines
Abstract:
Quantum thermodynamics has emerged as an interdisciplinary research
field in quantum science and technology with widespread applications.
Yet, the identification of scenarios characterized by quantum
supremacy - a performance without match in the classical world -
remains challenging. In this talk I shall review recent advances in
the engineering and optimization of quantum thermal machines. I will
show that nonadiabatic many-particle effects can give rise to quantum
supremacy in finite-time thermodynamics [1].
Tailoring such nonadiabatic effects by making use of shortcuts to
adiabaticity, quantum heat engines can be operated at maximum
efficiency and arbitrarily high output power [2]. A thermodynamic cost
of these shortcuts will be elucidated by analyzing the full work
distribution function and introducing a novel kind of work-energy
uncertainty relation [3]. I shall close by discussing the
identification of scenarios with a quantum-enhanced performance in
thermal machines run over many cycles [4].
[1] J. Jaramillo, M. Beau, and A. del Campo, New J. Phys. 18, 075019 (2016).
[2] M. Beau, J. Jaramillo, and A. del Campo, Entropy 18, 168 (2016).
[3] K. Funo, J.-N. Zhang, C. Chatou, K. Kim, M. Ueda, and A. del
Campo, Phys. Rev. Lett. 118, 100602 (2017).
[4] G. Watanabe, B. P. Venkatesh, P. Talkner, and A. del Campo, Phys.
Rev. Lett. 118, 050601 (2017).