Physlib.Particles.SuperSymmetry.SU5.ChargeSpectrum.OfPotentialTerm
Charges associated with a potential term
i. Overview
In this module we give the multiset of charges associated with a given type of potential term, given a charge spectrum.
We will define two versions of this, one based on the underlying fields on the potentials, and the charges that they carry, and one more explicit version which is faster to compute with. The former is `ofPotentialTerm`, and the latter is `ofPotentialTerm'`.
We will show that these two multisets have the same elements.
ii. Key results
- `ofPotentialTerm` : The multiset of charges associated with a potential term, defined in terms of the fields making up that potential term, given a charge spectrum. - `ofPotentialTerm'` : The multiset of charges associated with a potential term, defined explicitly, given a charge spectrum.
iii. Table of contents
- A. Charges of a potential term from field labels - A.1. Monotonicity of `ofPotentialTerm` - A.2. Charges of potential terms for the empty charge spectrum - B. Explicit construction of charges of a potential term - B.1. Explicit multisets for `ofPotentialTerm'` - B.2. `ofPotentialTerm'` on the empty charge spectrum - C. Relation between two constructions of charges of potential terms - C.1. Showing that `ofPotentialTerm` is a subset of `ofPotentialTerm'` - C.2. Showing that `ofPotentialTerm'` is a subset of `ofPotentialTerm` - C.3. Equivalence of elements of `ofPotentialTerm` and `ofPotentialTerm'` - C.4. Induced monotonicity of `ofPotentialTerm'`
iv. References
There are no known references for this material.
A. Charges of a potential term from field labels
We first define `ofPotentialTerm`, and prover properties of it. This is slow to compute in practice.
A.1. Monotonicity of `ofPotentialTerm`
We show that `ofPotentialTerm` is monotone in its charge spectrum argument. That is if `x ⊆ y` then `ofPotentialTerm x T ⊆ ofPotentialTerm y T`.
A.2. Charges of potential terms for the empty charge spectrum
For the empty charge spectrum, the charges associated with any potential term is empty.
B. Explicit construction of charges of a potential term
We now turn to a more explicit construction of the charges associated with a potential term. This is faster to compute with, but less obviously connected to the underlying fields.
B.1. Explicit multisets for `ofPotentialTerm'`
For each potential term, we give an explicit form of the multiset `ofPotentialTerm'`.
B.2. `ofPotentialTerm'` on the empty charge spectrum
We show that for the empty charge spectrum, the charges associated with any potential term is empty, as defined through `ofPotentialTerm'`.
C. Relation between two constructions of charges of potential terms
We now give the relation between `ofPotentialTerm` and `ofPotentialTerm'`. We show that they have the same elements, by showing that they are subsets of each other.
The prove of some of these results are rather long since they involve explicit case analysis for each potential term, due to the nature of the definition of `ofPotentialTerm'`.
C.1. Showing that `ofPotentialTerm` is a subset of `ofPotentialTerm'`
We first show that `ofPotentialTerm` is a subset of `ofPotentialTerm'`.
C.2. Showing that `ofPotentialTerm'` is a subset of `ofPotentialTerm`
We now show the other direction of the subset relation, that `ofPotentialTerm'` is a subset of `ofPotentialTerm`.
C.3. Equivalence of elements of `ofPotentialTerm` and `ofPotentialTerm'`
We now show that a charge is in `ofPotentialTerm` if and only if it is in `ofPotentialTerm'`. I.e. their underlying finite sets are equal. We do not say anything about the multiplicity of elements within the multisets, which is not important for us.
C.4. Induced monotonicity of `ofPotentialTerm'`
Due to the equivalence of elements of `ofPotentialTerm` and `ofPotentialTerm'`, we can now also show that `ofPotentialTerm'` is monotone in its charge spectrum argument.
17 declarations
Multiset of charges for a potential term given spectrum
Given a charge spectrum , which assigns a multiset of charges in an abelian group to each field label, and a potential term in the SUSY GUT, this function calculates the multiset of all possible total charges for that term. Let the potential term be composed of fields with labels (obtained via `toFieldLabel`). If is the multiset of charges associated with the field label in the spectrum , the function returns the multiset . This result is computed by performing a left-fold over the list of multisets using a multiset addition operation (the Minkowski sum), starting with the identity multiset .
Monotonicity of `ofPotentialTerm` with respect to
For any two charge spectra such that , and for any potential term , the multiset of total charges associated with under spectrum is a sub-multiset of the charges associated with under spectrum , i.e., .
The multiset of charges for any potential term given an empty spectrum is
For any potential term in the Grand Unified Theory, the multiset of total charges `ofPotentialTerm` associated with given the empty charge spectrum is the empty multiset .
Explicit multiset of charges for a potential term
Given a charge spectrum (characterized by the sets of charges and for matter fields and optional charges and for Higgs fields) and a potential term in an supersymmetric theory, this function computes the multiset of charges resulting from the combination of fields in . The computation is performed via an explicit case-by-case mapping: * For the Higgs mass term : the multiset (provided both Higgs charges are defined). * For the matter-Higgs mixing term : the multiset . * For the trilinear matter interaction : the multiset . * For the dimension-5 operators : * : . * : . * : . * : . * For the Kähler potential terms : * : . * : . * For the Yukawa couplings: * `topYukawa`: . * `bottomYukawa`: . If a required Higgs charge is undefined (`none`), the resulting multiset is empty (). This version is optimized for computational decidability.
Explicit charge multiset for the Higgs mass term
For a given charge spectrum , the multiset of charges associated with the Higgs mass potential term is the collection containing the single charge , where and are the charges of the Higgs fields and respectively. If either or is undefined in the charge spectrum , the resulting multiset is empty.
Explicit charge multiset for the matter-Higgs mixing term
For a given charge spectrum , the multiset of charges associated with the matter-Higgs mixing potential term is the collection of all charges , where is the charge of the Higgs field and is a charge from the set of charges associated with the representation. If the Higgs charge is undefined in the charge spectrum , the resulting multiset is empty.
Explicit charge multiset for the operator
For a given charge spectrum in an supersymmetric theory, the multiset of charges associated with the dimension-5 potential term is the collection of all sums , where is the charge of the Higgs field and are charges from the set of charges associated with the representation. If the Higgs charge is undefined, the resulting multiset is empty.
Explicit charge multiset for the operator
For a given charge spectrum in an supersymmetric theory, the multiset of charges associated with the dimension-5 potential term is the collection of all sums , where is the charge of the Higgs field and are charges from the set of charges associated with the representation. If the Higgs charge is undefined, the resulting multiset is empty.
Explicit charge multiset for the operator
For a given charge spectrum in an supersymmetric theory, the multiset of charges associated with the dimension-5 potential term is the collection of all sums , where and are the charges of the Higgs fields and respectively, and is a charge from the set of charges associated with the representation. If either Higgs charge or is undefined, the resulting multiset is empty.
Explicit formula for the multiset of charges of the potential term
For a given charge spectrum in an supersymmetric theory, let be the set of charges associated with the representation, and let and be the optional charges of the Higgs fields and . The multiset of charges associated with the Kähler potential term is the collection of all sums , where . If either or is undefined, the resulting multiset is empty.
Explicit formula for the multiset of charges of the top Yukawa term
For a charge spectrum in an supersymmetric theory, let be the set of charges for the matter fields in the representation and be the optional charge for the Higgs field. The multiset of charges associated with the top Yukawa coupling term, denoted by , is given by the multiset of values for all . If is undefined, the resulting multiset is empty.
Explicit formula for the multiset of charges of the bottom Yukawa term
For a charge spectrum in an supersymmetric theory, let and be the sets of charges for the matter fields and be the optional charge for the Higgs field. The multiset of charges associated with the bottom Yukawa coupling term, denoted by , is equal to the multiset of sums . If is undefined, the resulting multiset is empty.
In an supersymmetric Grand Unified Theory (GUT), for any potential term , the explicit multiset of charges associated with the empty charge spectrum is empty. The empty charge spectrum refers to a configuration where no charges are assigned to the Higgs fields and , and the sets of charges and for matter fields are empty.
For any charge spectrum (mapping field labels to multisets of charges in an abelian group ) and any potential term in an supersymmetric theory, the multiset of total charges computed from the constituent field labels of , denoted by , is a sub-multiset of the explicitly defined multiset of charges for that term, denoted by .
For any charge spectrum in an supersymmetric theory and any potential term , the explicitly defined multiset of charges is a sub-multiset of the multiset , where is the multiset of total charges calculated by summing the charges of the constituent fields of .
For any potential term in an supersymmetric theory, any charge spectrum (assigning multisets of charges to field labels), and any charge , is an element of the multiset (the multiset of total charges calculated by summing the charges of the constituent fields of ) if and only if it is an element of the explicitly defined multiset .
Monotonicity of with respect to
For any two charge spectra such that , and for any potential term , the explicitly defined multiset of charges associated with under spectrum is a sub-multiset of those associated with under spectrum , i.e., .
