Josephson junction qubit network with current-controlled interaction

被引：42

作者：

Lantz, J ^{[1
]}

Wallquist, M ^{[1
]}

Shumeiko, VS ^{[1
]}

Wendin, G ^{[1
]}

机构：

[1] Chalmers Univ Technol, Dept Microtechnol & Nanosci, Appl Quantum Phys Lab, SE-41296 Gothenburg, Sweden

来源：

PHYSICAL REVIEW B | 2004年 / 70卷 / 14期

关键词：

D O I：

10.1103/PhysRevB.70.140507

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We design and evaluate a scalable charge qubit chain network with controllable current-current coupling of neighboring qubit loops via local dc-current gates. The network allows construction of general N-qubit gates. The proposed design is in line with current main stream experiments.

引用

页码：140507 / 1

页数：4

共 29 条

[1] Radio-frequency single-electron transistor as readout device for qubits: Charge sensitivity and backaction [J].

Aassime, A ;

Johansson, G ;

Wendin, G ;

Schoelkopf, RJ ;

Delsing, P .

PHYSICAL REVIEW LETTERS, 2001, 86 (15) :3376-3379

[2] Variable electrostatic transformer: Controllable coupling of two charge qubits [J].

Averin, DV ;

Bruder, C .

PHYSICAL REVIEW LETTERS, 2003, 91 (05) :570031-570034

[3] Adiabatic quantum computation with Cooper pairs [J].

Averin, DV .

SOLID STATE COMMUNICATIONS, 1998, 105 (10) :659-664

[4] Entangled macroscopic quantum states in two superconducting qubits [J].

Berkley, AJ ;

Xu, H ;

Ramos, RC ;

Gubrud, MA ;

Strauch, FW ;

Johnson, PR ;

Anderson, JR ;

Dragt, AJ ;

Lobb, CJ ;

Wellstood, FC .

SCIENCE, 2003, 300 (5625) :1548-1550

[5] Tunable coupling of superconducting qubits [J].

Blais, A ;

van den Brink, AM ;

Zagoskin, AM .

PHYSICAL REVIEW LETTERS, 2003, 90 (12) :4

[6] Quantum-computer architecture using nonlocal interactions [J].

Brennen, GK ;

Song, D ;

Williams, CJ .

PHYSICAL REVIEW A, 2003, 67 (05) :4

[7] Coherent dynamics of a flux qubit coupled to a harmonic oscillator [J].

Chiorescu, I ;

Bertet, P ;

Semba, K ;

Nakamura, Y ;

Harmans, CJPM ;

Mooij, JE .

NATURE, 2004, 431 (7005) :159-162

[8] Coherent quantum dynamics of a superconducting flux qubit [J].

Chiorescu, I ;

Nakamura, Y ;

Harmans, CJPM ;

Mooij, JE .

SCIENCE, 2003, 299 (5614) :1869-1871

[9]

COLLIN E, CONDMAT0404503

[10] Coherent dynamics of a Josephson charge qubit [J].

Duty, T ;

Gunnarsson, D ;

Bladh, K ;

Delsing, P .

PHYSICAL REVIEW B, 2004, 69 (14) :140503-1

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