Supersymmetric Quantum Mechanics on a noncommutative plane through the lens of deformation quantization
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arXiv
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| Format: | Preprint |
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2024
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| author | Jim, Md. Rafsanjany Chowdhury, S. Hasibul Hassan |
| author_facet | Jim, Md. Rafsanjany Chowdhury, S. Hasibul Hassan |
| contents | A gauge invariant mathematical formalism based on deformation quantization is outlined to model an $\mathcal{N}=2$ supersymmetric system of a spin $1/2$ charged particle placed in a nocommutative plane under the influence of a vertical uniform magnetic field. The noncommutative involutive algebra $(C^{\infty}(\mathbb{R}^{2})[[\vartheta]],*^r)$ of formal power series in $\vartheta$ with coefficients in the commutative ring $C^{\infty}(\mathbb{R}^{2})$ was employed to construct the relevant observables, viz., SUSY Hamiltonian $H$, supercharge operator $Q$ and its adjoint $Q^†$ all belonging to the $2\times 2$ matrix algebra $\mathcal{M}_{2}(C^{\infty}(\mathbb{R}^{2})[[\vartheta]],*^r)$ with the help of a family of gauge-equivalent star products $*^{r}$. The energy eigenvalues of the SUSY Hamiltonian all turned out to be independent of not only the gauge parameter $r$ but also the noncommutativity parameter $\vartheta$. The nontrivial Fermionic ground state was subsequently computed associated with the zero energy which indicates that supersymmetry remains unbroken in all orders of $\vartheta$. The Witten index for the noncommutative SUSY Landau problem turns out to be $-1$ corroborating the fact that there is no broken supersymmetry for the model we are considering. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_02239 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Supersymmetric Quantum Mechanics on a noncommutative plane through the lens of deformation quantization Jim, Md. Rafsanjany Chowdhury, S. Hasibul Hassan Mathematical Physics High Energy Physics - Theory 53D55, 46L65, 46L87, 81Q60, 81R60, 20C25 A gauge invariant mathematical formalism based on deformation quantization is outlined to model an $\mathcal{N}=2$ supersymmetric system of a spin $1/2$ charged particle placed in a nocommutative plane under the influence of a vertical uniform magnetic field. The noncommutative involutive algebra $(C^{\infty}(\mathbb{R}^{2})[[\vartheta]],*^r)$ of formal power series in $\vartheta$ with coefficients in the commutative ring $C^{\infty}(\mathbb{R}^{2})$ was employed to construct the relevant observables, viz., SUSY Hamiltonian $H$, supercharge operator $Q$ and its adjoint $Q^†$ all belonging to the $2\times 2$ matrix algebra $\mathcal{M}_{2}(C^{\infty}(\mathbb{R}^{2})[[\vartheta]],*^r)$ with the help of a family of gauge-equivalent star products $*^{r}$. The energy eigenvalues of the SUSY Hamiltonian all turned out to be independent of not only the gauge parameter $r$ but also the noncommutativity parameter $\vartheta$. The nontrivial Fermionic ground state was subsequently computed associated with the zero energy which indicates that supersymmetry remains unbroken in all orders of $\vartheta$. The Witten index for the noncommutative SUSY Landau problem turns out to be $-1$ corroborating the fact that there is no broken supersymmetry for the model we are considering. |
| title | Supersymmetric Quantum Mechanics on a noncommutative plane through the lens of deformation quantization |
| topic | Mathematical Physics High Energy Physics - Theory 53D55, 46L65, 46L87, 81Q60, 81R60, 20C25 |
| url | https://arxiv.org/abs/2405.02239 |