24 lines
661 B
Python
24 lines
661 B
Python
from pyqcs import X, Z, H, R, CX, State, list_to_circuit
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def T_interaction(a, b, t):
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theta = -t/2
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return (CX(a, b) | R(a, -theta)
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| X(a) | R(a, theta) | X(a) | CX(a, b))
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def T_field(a, t, g):
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theta = g*t/2
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return (H(a) | R(a, -2*theta) | H(a)
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| R(a, theta) | X(a) | R(a, theta) | X(a))
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def T_time_slice(qbits, t, g, N):
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interactions_half = list_to_circuit(
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[T_interaction(i, i+1, t/(2*N))
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for i,_ in enumerate(qbits[:-1])]
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)
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field = list_to_circuit([T_field(i, t/N, g) for i,_ in enumerate(qbits)])
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return (interactions_half | field | interactions_half)
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