Observing the Progressive Decoherence of the 'Meter' in a Quantum Measurement

作者: M. Brune , E. Hagley , J. Dreyer , X. Maître , A. Maali

DOI: 10.1103/PHYSREVLETT.77.4887

关键词:

摘要: … Decoherence is modeled by coupling the oscillator to a reservoir, which damps its energy in a characteristic time Tr. When D ¿ 1, decoherence is found to occur within a time scale 2Tr …

参考文章(21)
WILLIS E. LAMB, Quantum Theory of Measurement Annals of the New York Academy of Sciences. ,vol. 480, pp. 407- 416 ,(1986) , 10.1111/J.1749-6632.1986.TB12442.X
E. Schr�dinger, Die gegenwärtige Situation in der Quantenmechanik Naturwissenschaften. ,vol. 23, pp. 807- 812 ,(1935) , 10.1007/BF01491891
Wojciech H. Zurek, Decoherence and the transition from quantum to classical Physics Today. ,vol. 44, pp. 36- 44 ,(1991) , 10.1063/1.881293
Roy J. Glauber, Coherent and Incoherent States of the Radiation Field Physical Review. ,vol. 131, pp. 2766- 2788 ,(1963) , 10.1103/PHYSREV.131.2766
D. F. Walls, G. J. Milburn, Effect of dissipation on quantum coherence Physical Review A. ,vol. 31, pp. 2403- 2408 ,(1985) , 10.1103/PHYSREVA.31.2403
M. Brune, S. Haroche, J. M. Raimond, L. Davidovich, N. Zagury, Manipulation of photons in a cavity by dispersive atom-field coupling: Quantum-nondemolition measurements and generation of "Schrödinger cat" states. Physical Review A. ,vol. 45, pp. 5193- 5214 ,(1992) , 10.1103/PHYSREVA.45.5193
C. Monroe, D. M. Meekhof, B. E. King, D. J. Wineland, A "Schrodinger Cat" Superposition State of an Atom Science. ,vol. 272, pp. 1131- 1136 ,(1996) , 10.1126/SCIENCE.272.5265.1131
B. Yurke, W. Schleich, D. F. Walls, Quantum superpositions generated by quantum nondemolition measurements. Physical Review A. ,vol. 42, pp. 1703- 1711 ,(1990) , 10.1103/PHYSREVA.42.1703