The Effect of Temperature and Electric Field on a Quantum Pseudodot Qubit

被引：2

作者：

Chen, Ying-Cong ^{[1
]}

Xiao, Jing-Lin ^{[2
]}

机构：

[1] Univ Informat Sci & Technol Beijing, Dept Basic Sci, Beijing 100101, Peoples R China

[2] Inner Mongolia Univ Nationalities, Inst Condensed Matter Phys, Tongliao 028043, Peoples R China

来源：

INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2018年 / 57卷 / 02期

基金：

美国国家科学基金会;

关键词：

Temperature; Probability density; Electric field; Quantum pseudodot qubit; COHERENCE TIME; MAGNETIC-FIELD; DOT QUBIT; IMPURITY;

D O I：

10.1007/s10773-017-3585-2

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The electron's probability density (EPD) and the oscillating period (OP) of an electron confined by a three-dimensional RbCl quantum pseudodot (QPD) are studied. Calculations are performed by employing variational method of Pekar type (VMPT) and the quantum statistics theory (QST).The influences of the temperature and electric field on the EPD and the OP of the RbCl QPD qubit have been derived in detail. According to the obtained results, it is observed that the EPD and the OP increase (decrease) with raising temperature at lower (higher) temperature region. They are decaying functions of the electric field.

引用

页码：533 / 538

页数：6

共 27 条

[1] N-ELECTRON GROUND-STATE ENERGIES OF A QUANTUM-DOT IN MAGNETIC-FIELD [J].

ASHOORI, RC ;

STORMER, HL ;

WEINER, JS ;

PFEIFFER, LN ;

BALDWIN, KW ;

WEST, KW .

PHYSICAL REVIEW LETTERS, 1993, 71 (04) :613-616

[2] A quantum pseudodot system with a two-dimensional pseudoharmonic potential [J].

Cetin, A. .

PHYSICS LETTERS A, 2008, 372 (21) :3852-3856

[3] Influences of the Temperature on the Parabolic Quantum Dot Qubit in the Magnetic Field [J].

Chen, Ying-Jie ;

Xiao, Jing-Lin .

JOURNAL OF LOW TEMPERATURE PHYSICS, 2017, 186 (3-4) :241-249

[4] The Temperature Effects on the Parabolic Quantum Dot Qubit in the Electric Field [J].

Chen, Ying-Jie ;

Xiao, Jing-Lin .

JOURNAL OF LOW TEMPERATURE PHYSICS, 2013, 170 (1-2) :60-67

[5]

Chen YJ, 2009, COMMUN THEOR PHYS, V52, P601, DOI 10.1088/0253-6102/52/4/09

[6]

Devreese J.T., 1972, POLARONS IONIC CRYST, DOI DOI 10.1007/978-1-4613-2693-9

[7] OPTICAL PHONON EFFECT IN AN ASYMMETRIC QUANTUM DOT QUBIT [J].

Ding, Zhao-Hua ;

Sun, Yong ;

Xiao, Jing-Lin .

INTERNATIONAL JOURNAL OF QUANTUM INFORMATION, 2012, 10 (07)

[8]

Kawakami E, 2014, NAT NANOTECHNOL, V9, P666, DOI [10.1038/nnano.2014.153, 10.1038/NNANO.2014.153]

[9] Effect of phonons on optical properties of RbCl quantum pseudodot qubits [J].

Khordad, R. ;

Ghanbari, A. .

OPTICAL AND QUANTUM ELECTRONICS, 2017, 49 (02)

[10]

Kouwenhoven LP, 1997, NATO ADV SCI I E-APP, V345, P105

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