|
| related topics |
| {energy, state, states} |
| {state, algorithm, problem} |
| {entanglement, phys, rev} |
| {state, phys, rev} |
| {state, states, entangled} |
| {phase, path, phys} |
| {time, decoherence, evolution} |
| {qubit, qubits, gate} |
| {spin, pulse, spins} |
|
Entanglement and Quantum Phase Transitions via Adiabatic Quantum
Computation
Sangchul Oh
abstract: For a finite XY chain and a finite two-dimensional Ising lattice, it is shown
that the paramagnetic ground state is adiabatically transformed to the GHZ
state in the ferromagnetic phase by slowly turning on the magnetic field. The
fidelity between the GHZ state and an adiabatically evolved state shows a
feature of the quantum phase transition.
- oai_identifier:
- oai:arXiv.org:quant-ph/0701096
- categories:
- quant-ph
- comments:
- Revised
- doi:
- 10.1140/epjd/e2010-00105-9
- arxiv_id:
- quant-ph/0701096
- journal_ref:
- Eur. Phys. J. D 58, 409 (2010)
- created:
- 2007-01-15
- updated:
- 2009-10-30
Full article ▸
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