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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Approximation Distillation of Quantum Coherence
量子相干性 近似蒸馏 相干资源理论
2023/4/18
Coherence distillation is a basic information-theoretic task in the resource theory of coherence. In this talk, I will report the framework of the approximate coherence distillation under strictly inc...
The influence of temporal coherence on the dynamical Casimir effect
Casimir effect Quantum Physics temporal coherence
2010/11/8
We study the dynamical Casimir effect in the presence of a finite coherence time, which is associated with a finite quality factor of the optical cavity. We use the time refraction model, where a fixe...
Phosphorus Spin Coherence Times in Silicon at Very Low Temperatures
magnetic resonance donor spins in silicon quantum computing
2010/10/27
Phosphorus donor spin coherence in isotopically pure 28 silicon is measured at very low temperatures using pulsed electron spin resonance. The isolated spin T2 varies unexpectedly with phosphorus conc...
Observation of prolonged coherence time of the collective spin wave of atomic ensemble in a paraffin coated Rb vapor cell
prolonged coherence collective spin wave atomic paraffin coated Rb vapor cell
2010/4/9
We report a prolonged coherence time of the collective spin wave of a thermal 87Rb atomic ensemble in a paraffin coated cell. The spin wave is prepared through a stimulated Raman Process. The long coh...
Ultralong trapping of light using double spin coherence gratings
Ultralong light double spin coherence gratings
2010/4/8
Ultralong trapping of light has been observed in an optically dense three-level solid medium interacting with a pair of counterpropagating coupling fields. Unlike the light trapping based on standing-...
Coherence and control of quantum registers based on electronic spin in a nuclear spin bath
Coherence quantum registers electronic spin nuclear spin bath
2010/4/7
We consider a protocol for the control of few-qubit registers comprising one electronic spin embedded in a nuclear spin bath. We show how to isolate a few proximal nuclear spins from the rest of the e...
Effects of Atomic Coherence and Injected Classical Field on Chaotic Dynamics of Non-degenerate Cascade
Two-Photon Lasers
nondegenerate cascade two-photon laser chaos bifurcation
injected classical field atomic coherence
2007/8/15
2007Vol.48No.2pp.288-294DOI:
Effects of Atomic Coherence and Injected Classical Field on Chaotic Dynamics of Non-degenerate Cascade
Two-Photon Lasers
ZHANG Ya-Jun,1,2 HUANG Hong-...
Macroscopic Quantum Coherence in Antiferromagnetic Molecular
Magnets
macroscopic quantum coherence two-sublattice
model antiferromagnetic molecular magnets
2007/8/15
2001Vol.36No.2pp.245-250DOI:
Macroscopic Quantum Coherence in Antiferromagnetic Molecular
Magnets
HU Hui,1 LÜ Rong,2 ZHU Jia-Lin1,2 and
XIONG Jia-Jiong1
1 Departme...
Quantum Coherence Tunnelings: Multi-Kondo Peaks and Anomalous
Coulomb Oscillations
Kondo effect tunneling Coulomb blackade
2007/8/15
2003Vol.39No.3pp.373-376DOI:
Quantum Coherence Tunnelings: Multi-Kondo Peaks and Anomalous
Coulomb Oscillations
YI Lin1 and WANG Jian-Sheng2
1 Physics Department, Huazh...