Extensions.ToLadderSequence Method
Definition
Important
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Overloads
| ToLadderSequence(IEnumerable<Int32>) |
Construct a sequence of ladder operators from an even-length sequence of integers. |
| ToLadderSequence(IEnumerable<ValueTuple<Int32,Spin>>) |
Construct a sequence of ladder operators from an even-length sequence of spin-orbit indices. |
| ToLadderSequence(IEnumerable<ValueTuple<RaisingLowering,Int32>>, Int32) |
Construct a sequence of ladder operators from sequence of tuples each specifying whether it is a raising or lowering term, and its index. |
ToLadderSequence(IEnumerable<Int32>)
Construct a sequence of ladder operators from an even-length sequence of integers.
public static Microsoft.Quantum.Chemistry.LadderOperators.LadderSequence<int> ToLadderSequence (this System.Collections.Generic.IEnumerable<int> indices);static member ToLadderSequence : seq<int> -> Microsoft.Quantum.Chemistry.LadderOperators.LadderSequence<int><Extension()>
Public Function ToLadderSequence (indices As IEnumerable(Of Integer)) As LadderSequence(Of Integer)Parameters
- indices
- IEnumerable<Int32>
Even-length sequence of integers.
Returns
Sequence of ladder operators with an equal number of creation and annihilation terms that are normal-ordered.
Examples
// The following two return the same ladder operator sequence.
var seq = new[] { 1, 2, 3, 4 }.ToLadderSequence();
var expected = new[] { (u, 1), (u, 2), (d, 3), (d, 4) }.ToLadderSequence();
Applies to
ToLadderSequence(IEnumerable<ValueTuple<Int32,Spin>>)
Construct a sequence of ladder operators from an even-length sequence of spin-orbit indices.
public static Microsoft.Quantum.Chemistry.LadderOperators.LadderSequence<Microsoft.Quantum.Chemistry.OrbitalIntegrals.SpinOrbital> ToLadderSequence (this System.Collections.Generic.IEnumerable<(int, Microsoft.Quantum.Chemistry.Spin)> indices);static member ToLadderSequence : seq<ValueTuple<int, Microsoft.Quantum.Chemistry.Spin>> -> Microsoft.Quantum.Chemistry.LadderOperators.LadderSequence<Microsoft.Quantum.Chemistry.OrbitalIntegrals.SpinOrbital><Extension()>
Public Function ToLadderSequence (indices As IEnumerable(Of ValueTuple(Of Integer, Spin))) As LadderSequence(Of SpinOrbital)Parameters
- indices
- IEnumerable<ValueTuple<Int32,Spin>>
Even-length sequence of spin-orbit indices.
Returns
Sequence of ladder operators with an equal number of creation and annihilation terms that are normal-ordered.
Applies to
ToLadderSequence(IEnumerable<ValueTuple<RaisingLowering,Int32>>, Int32)
Construct a sequence of ladder operators from sequence of tuples each specifying whether it is a raising or lowering term, and its index.
public static Microsoft.Quantum.Chemistry.LadderOperators.LadderSequence<int> ToLadderSequence (this System.Collections.Generic.IEnumerable<(Microsoft.Quantum.Chemistry.RaisingLowering, int)> setSequence, int setSign = 1);static member ToLadderSequence : seq<ValueTuple<Microsoft.Quantum.Chemistry.RaisingLowering, int>> * int -> Microsoft.Quantum.Chemistry.LadderOperators.LadderSequence<int><Extension()>
Public Function ToLadderSequence (setSequence As IEnumerable(Of ValueTuple(Of RaisingLowering, Integer)), Optional setSign As Integer = 1) As LadderSequence(Of Integer)Parameters
- setSequence
- IEnumerable<ValueTuple<RaisingLowering,Int32>>
Sequence of ladder operators.
- setSign
- Int32
Set the sign coefficient of the sequence.
Returns
Sequence of ladder operators.
Examples
// Construct a sequence a ladder operators 1^ 2^ 3 4 var tmp = new[] { (u, 1), (u, 2), (d, 3), (d, 4) }.ToLadderSequence();