Accession Number:

ADA582855

Title:

Trapped-Ion Quantum Simulation of an Ising Model with Transverse and Longitudinal Fields

Descriptive Note:

Journal article

Corporate Author:

MARYLAND UNIV COLLEGE PARK DEPT OF PHYSICS

Personal Author(s):

• Richerme, P.
• Senko, C.
• Korenblit, S.
• Smith, J.
• Lee, A.
• Campbell, W. C.
• Monroe, C.

Report Date:

2013-03-29

Pagination or Media Count:

6.0

Abstract:

We perform a quantum simulation of an Ising model with long-range interactions and both transverse and longitudinal fields - the most general external field configuration - in a system of 6 to 10 trapped atomic ions. Quantum fluctuations at zero temperature drive the ground state spin ordering through several classical first-order phase transitions as the strength of the longitudinal field is increased. The Hamiltonian under study generates a fractal Devils staircase structure and maps onto a large number of many-body and energy-optimization problems, showing how quantum simulation can potentially find solutions that are classically intractable.

Descriptors:

• *IONS
• *QUANTUM THEORY
• *SIMULATION
• *TRANSVERSE
• INTERACTIONS
• SUPERCONDUCTORS

Subject Categories:

• Theoretical Mathematics
• Computer Programming and Software
• Atomic and Molecular Physics and Spectroscopy
• Quantum Theory and Relativity

Distribution Statement:

APPROVED FOR PUBLIC RELEASE