Quantum phase transition of ground-state entanglement in a Heisenberg spin chain simulated in an NMR quantum computer

Using an NMR quantum computer, we experimentally simulate the quantum phase transition of a Heisenberg spin chain. The Hamiltonian is generated by a multiple-pulse sequence, the nuclear-spin system is prepared in its (pseudopure) ground state, and the effective Hamiltonian varied in such a way that the Heisenberg chain is taken from a product state to an entangled state, and finally to a different product state.

• Publication year

  2004

• Venue

  Physical Review A

• Publication date

  2004-11-08

• Fields of study

  Physics

• Identifiers
  DOI 10.1103/PhysRevA.71.012307arXiv quant-ph/0411049
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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