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Title: Quantum tracking control of the orientation of symmetric-top molecules

Journal Article · · Physical Review A
ORCiD logo [1];  [2];  [3]; ORCiD logo [2]
  1. Princeton Univ., NJ (United States); Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
  2. Princeton Univ., NJ (United States)
  3. Princeton Univ., NJ (United States); Arizona State Univ., Tempe, AZ (United States)

The goal of quantum tracking control is to identify shaped fields to steer observable expectation values along designated time-dependent tracks. The fields are determined via an iteration-free procedure, which is based on inverting the underlying dynamical equations governing the controlled observables. In this paper, we generalize the ideas in [Phys. Rev. A 98, 043429 (2018)] to the task of orienting symmetric top molecules in three dimensions. To this end, we derive equations for the control fields capable of directly tracking the expected value of the three-dimensional dipole orientation vector along a desired path in time. In conclusion, we show this framework can be utilized for tracking the orientation of linear molecules as well, and present numerical illustrations of these principles for symmetric-top tracking control problems.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR); US Army Research Office (ARO)
Grant/Contract Number:
NA0003525; FG02-97ER25308; FG02-02ER15344; W911NF-19-1- 0382
OSTI ID:
2311324
Report Number(s):
SAND-2024-01300J; TRN: US2409132
Journal Information:
Physical Review A, Vol. 108, Issue 3; ISSN 2469-9926
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Figures / Tables (5)