ENTROPY PROPETIES AND SCHRODINGER-CAT STATES OF THE FIELD INTERACTING WITH A Ξ TYPE THREE-LEVEL ATOM | Zendy

Xiang Liu | Zendy; Mao-Fa Fang | Zendy; LIU AN-LING | Zendy

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ENTROPY PROPETIES AND SCHRODINGER-CAT STATES OF THE FIELD INTERACTING WITH A Ξ TYPE THREE-LEVEL ATOM

Author(s) -

Xiang Liu,

Mao-Fa Fang,

LIU AN-LING

Publication year - 2000

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.49.1706

Subject(s) - physics , atom (system on chip) , schrödinger's cat , entropy (arrow of time) , quantum mechanics , coherent states , field (mathematics) , atomic physics , photon , mathematics , quantum , computer science , pure mathematics , embedded system

In this paper, we study the entropy properties of the field interacting with a Ξ type three-level atom, derive the calculating formula of the field(atomic)ent ropy, and discuss the influence of the initial atomic state and the one-photon d etuning on the field(atomic)entropy. With the help of Q function of the field(qu asiprobability distribution), the statistical properties of the field states are discussed. It is shown that the field is in the Schrodinger-Cat state at t=12TR when the atom is initially in the middle-level.

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