mindquantum.algorithm.nisq.RYFull

class mindquantum.algorithm.nisq.RYFull(n_qubits: int, depth: int, prefix: str = '', suffix: str = '')[source]

HEA with RY as single qubit gate and fully mapped CNOT gate as entanglement gate.

For more information about this ansatz, please refer to Challenges in the Use of Quantum Computing Hardware-Efficient Ansätze in Electronic Structure Theory.

Parameters

n_qubits (int) – total qubits number of this ansatz.
depth (int) – depth of ansatz.
prefix (str) – prefix of parameters. Default: ''.
suffix (str) – suffix of parameters. Default: ''.

Examples

>>> from mindquantum.algorithm.nisq import RYFull
>>> RYFull(3, 2, prefix='a').circuit
      ┏━━━━━━━━━━┓                   ┏━━━━━━━━━━┓                   ┏━━━━━━━━━━┓
q0: ──┨ RY(a_p0) ┠───■─────■─────────┨ RY(a_p3) ┠───■─────■─────────┨ RY(a_p6) ┠───
      ┗━━━━━━━━━━┛   ┃     ┃         ┗━━━━━━━━━━┛   ┃     ┃         ┗━━━━━━━━━━┛
      ┏━━━━━━━━━━┓ ┏━┻━┓   ┃         ┏━━━━━━━━━━┓ ┏━┻━┓   ┃         ┏━━━━━━━━━━┓
q1: ──┨ RY(a_p1) ┠─┨╺╋╸┠───╂─────■───┨ RY(a_p4) ┠─┨╺╋╸┠───╂─────■───┨ RY(a_p7) ┠───
      ┗━━━━━━━━━━┛ ┗━━━┛   ┃     ┃   ┗━━━━━━━━━━┛ ┗━━━┛   ┃     ┃   ┗━━━━━━━━━━┛
      ┏━━━━━━━━━━┓       ┏━┻━┓ ┏━┻━┓ ┏━━━━━━━━━━┓       ┏━┻━┓ ┏━┻━┓ ┏━━━━━━━━━━┓
q2: ──┨ RY(a_p2) ┠───────┨╺╋╸┠─┨╺╋╸┠─┨ RY(a_p5) ┠───────┨╺╋╸┠─┨╺╋╸┠─┨ RY(a_p8) ┠───
      ┗━━━━━━━━━━┛       ┗━━━┛ ┗━━━┛ ┗━━━━━━━━━━┛       ┗━━━┛ ┗━━━┛ ┗━━━━━━━━━━┛