Difference between revisions of "Deut pair.m"
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{{DISPLAYTITLE:deut_pair.m}} __NOTOC__ | {{DISPLAYTITLE:deut_pair.m}} __NOTOC__ | ||
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All possible states of a spin-1 pair, classified by the total spin into singlet, triplet, and quartet. | All possible states of a spin-1 pair, classified by the total spin into singlet, triplet, and quartet. | ||
==Syntax== | ==Syntax== | ||
| − | [S,T,Q | + | [S,T,Q]=deut_pair(spin_system,spin_a,spin_b,options) |
==Arguments== | ==Arguments== | ||
| − | spin_a - the number of the first spin | + | spin_a - the number of the first spin |
spin_b - the number of the second spin | spin_b - the number of the second spin | ||
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==Outputs== | ==Outputs== | ||
| − | S - singet state density matrix (Hilbert space) | + | S - singet state density matrix (Hilbert space) |
| − | + | or state vector (Liouville space) | |
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| − | + | T - triplet state density matrices (Hilbert space) | |
| − | + | or state vectors (Liouville space), ordered in | |
| − | + | a cell array as {T+,T0,T-} | |
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| − | + | Q - quintet state density matrices (Hilbert space) | |
| − | + | or state vectors (Liouville space), ordered in | |
| − | + | a cell array as {Q++,Q+,Q0,Q-,Q--} | |
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==Notes== | ==Notes== | ||
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WARNING: the states above are NOT irreducible spherical tensors - Bargon just kroneckered up some Zeeman states and gave them what looked to him like appropriate labels. | WARNING: the states above are NOT irreducible spherical tensors - Bargon just kroneckered up some Zeeman states and gave them what looked to him like appropriate labels. | ||
==See also== | ==See also== | ||
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[[Kernel_functions#Elementary_states|Elementary_states]] | [[Kernel_functions#Elementary_states|Elementary_states]] | ||
''Version 2.11, authors: [[Ilya Kuprov]], [[Anakin Aden]]'' | ''Version 2.11, authors: [[Ilya Kuprov]], [[Anakin Aden]]'' | ||
Revision as of 15:48, 5 April 2026
All possible states of a spin-1 pair, classified by the total spin into singlet, triplet, and quartet.
Syntax
[S,T,Q]=deut_pair(spin_system,spin_a,spin_b,options)
Arguments
spin_a - the number of the first spin
spin_b - the number of the second spin
options.dephasing - set to 1 to eliminate the states that are
not stationary under Az+Bz Hamiltonian,
the default is to keep everything
Outputs
S - singet state density matrix (Hilbert space)
or state vector (Liouville space)
T - triplet state density matrices (Hilbert space)
or state vectors (Liouville space), ordered in
a cell array as {T+,T0,T-}
Q - quintet state density matrices (Hilbert space)
or state vectors (Liouville space), ordered in
a cell array as {Q++,Q+,Q0,Q-,Q--}
Notes
WARNING: the states above are NOT irreducible spherical tensors - Bargon just kroneckered up some Zeeman states and gave them what looked to him like appropriate labels.
See also
Version 2.11, authors: Ilya Kuprov, Anakin Aden
