Quantum optimal control within the rotating-wave approximation
نویسندگان
چکیده
منابع مشابه
The rotating wave approximation (RWA) of quantum optics: serious defect
The rotating wave approximation (RWA) is an integral part of the foundations of quantum optics and it is also used extensively in atomic and condensed-matter physics. Here we prove that the model has a serious defect, viz. the spectrum has no lower bound, for all models of physical interest. As a result, the reservoir is not passive (since energy can be extracted from it without limit) and henc...
متن کاملQuantum anti-Zeno effect without rotating wave approximation
Qing Ai ( ),1 Yong Li ( ),2 Hang Zheng ( ),3 and C. P. Sun ( )1 1Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China 2Department of Physics and Center of Theoretical and Computational Physics, The University of Hong Kong, Pokfulam Road, Hong Kong, People’s Republic of China 3Department of Physics, Shanghai Jiao Tong University, Shanghai 2000...
متن کاملQuantum Zeno and Anti-Zeno Effect without Rotating Wave Approximation
The effect of the anti-rotating terms on the short-time evolution and the quantum Zeno (QZE) and anti-Zeno (AQZE) effects is studied for a two-level system coupled to a bosonic environment. A unitary transformation and perturbation theory are used to obtain the electron self-energy, energy shift and the enhanced QZE or the AQZE, simultaneously. The calculated Zeno time depends on the atomic tra...
متن کاملVibrational Superposition States Without Rotating Wave Approximation
We propose a scheme to generate superpositions of coherent states for the vibrational motion of a laser cooled trapped-ion. It is based on the interaction with a standing wave making use of the counter-rotating terms, i.e. not applying the rotating wave approximation. We also show that the same scheme can be exploited for quantum state measurement, i.e. with the same scheme non-classical states...
متن کاملCoarse graining can beat the rotating-wave approximation in quantum Markovian master equations
Christian Majenz,1,2 Tameem Albash,2,3 Heinz-Peter Breuer,1 and Daniel A. Lidar2,4 1Physikalisches Institut, Universität Freiburg, Freiburg, Germany 2Center for Quantum Information Science & Technology, University of Southern California, Los Angeles, California 90089, USA 3Department of Physics and Astronomy, University of Southern California, Los Angeles, California 90089, USA 4Department of E...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review A
سال: 2015
ISSN: 1050-2947,1094-1622
DOI: 10.1103/physreva.92.033402