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from pydantic.v1 import BaseModel
from braket.ir.ahs.physical_field import PhysicalField
[docs]
class DrivingField(BaseModel):
r"""Specifies the driving field, defined by the formula
.. math::
H_{drive} (t) := \frac{\Omega(t)}{2} e^{i \phi(t)} \left(
\sum_k |g_k \rangle \langle r_k| + |r_k \rangle \langle g_k|
\right) - \Delta(t) \sum_k{| r_k \rangle \langle r_k |}
where
:math:`\Omega(t)` is the global Rabi frequency in rad/s,
:math:`\phi(t)` is the global phase in rad/s,
:math:`\Delta(t)` is the global detuning in rad/s,
:math:`|g_k \rangle` is the ground state of atom k,
:math:`|r_k \rangle` is the Rydberg state of atom k.
with the sum :math:`\sum_k` taken over all target atoms.
Attributes:
amplitude: PhysicalField(pattern=“uniform”)
phase: PhysicalField(pattern=“uniform”)
detuning: PhysicalField(pattern=“uniform”)
"""
amplitude: PhysicalField
phase: PhysicalField
detuning: PhysicalField