Control-affine Schrödinger Bridge and Generalized Bohm Potential
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866911260491120640 |
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| author | Teter, Alexis M. H. Halder, Abhishek Schneider, Michael D. Perloff, Alexx S. Pratt, Jane Artman, Conor M. Demireva, Maria |
| author_facet | Teter, Alexis M. H. Halder, Abhishek Schneider, Michael D. Perloff, Alexx S. Pratt, Jane Artman, Conor M. Demireva, Maria |
| contents | The control-affine Schrödinger bridge concerns with a stochastic optimal control problem. Its solution is a controlled evolution of joint state probability density subject to a control-affine Itô diffusion with a given deadline connecting a given pair of initial and terminal densities. In this work, we recast the necessary conditions of optimality for the control-affine Schrödinger bridge problem as a two point boundary value problem for a quantum mechanical Schrödinger PDE with complex potential. This complex-valued potential is a generalization of the real-valued Bohm potential in quantum mechanics. Our derived potential is akin to the optical potential in nuclear physics where the real part of the potential encodes elastic scattering (transmission of wave function), and the imaginary part encodes inelastic scattering (absorption of wave function). The key takeaway is that the process noise that drives the evolution of probability densities induces an absorbing medium in the evolution of wave function. These results make new connections between control theory and non-equilibrium statistical mechanics through the lens of quantum mechanics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_08511 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Control-affine Schrödinger Bridge and Generalized Bohm Potential Teter, Alexis M. H. Halder, Abhishek Schneider, Michael D. Perloff, Alexx S. Pratt, Jane Artman, Conor M. Demireva, Maria Optimization and Control Systems and Control Mathematical Physics Probability The control-affine Schrödinger bridge concerns with a stochastic optimal control problem. Its solution is a controlled evolution of joint state probability density subject to a control-affine Itô diffusion with a given deadline connecting a given pair of initial and terminal densities. In this work, we recast the necessary conditions of optimality for the control-affine Schrödinger bridge problem as a two point boundary value problem for a quantum mechanical Schrödinger PDE with complex potential. This complex-valued potential is a generalization of the real-valued Bohm potential in quantum mechanics. Our derived potential is akin to the optical potential in nuclear physics where the real part of the potential encodes elastic scattering (transmission of wave function), and the imaginary part encodes inelastic scattering (absorption of wave function). The key takeaway is that the process noise that drives the evolution of probability densities induces an absorbing medium in the evolution of wave function. These results make new connections between control theory and non-equilibrium statistical mechanics through the lens of quantum mechanics. |
| title | Control-affine Schrödinger Bridge and Generalized Bohm Potential |
| topic | Optimization and Control Systems and Control Mathematical Physics Probability |
| url | https://arxiv.org/abs/2508.08511 |