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David R Reichman

Explore the profile of David R Reichman including associated specialties, affiliations and a list of published articles. Areas
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Articles 147
Citations 1854
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Recent Articles
11.
Xu Y, Chen J, Aydt A, Zhang L, Sergeyev I, Keeler E, et al.
Chemphyschem . 2023 Dec; 25(2):e202300064. PMID: 38057144
Molecular clusters can function as nanoscale atoms/superatoms, assembling into superatomic solids, a new class of solid-state materials with designable properties through modifications on superatoms. To explore possibilities on diversifying building...
12.
Sadhasivam V, Meuser L, Reichman D, Althorpe S
Proc Natl Acad Sci U S A . 2023 Nov; 120(49):e2312378120. PMID: 38032936
The rate at which information scrambles in a quantum system can be quantified using out-of-time-ordered correlators. A remarkable prediction is that the associated Lyapunov exponent [Formula: see text] that quantifies...
13.
Mahajan A, Kurian J, Lee J, Reichman D, Sharma S
J Chem Phys . 2023 Nov; 159(18). PMID: 37937933
We present a method for calculating first-order response properties in phaseless auxiliary field quantum Monte Carlo by applying automatic differentiation (AD). Biases and statistical efficiency of the resulting estimators are...
14.
Weber J, Vuong H, Friesner R, Reichman D
J Chem Theory Comput . 2023 Oct; 19(21):7567-7576. PMID: 37889331
We formulate and characterize a new constraint for auxiliary-field quantum Monte Carlo (AFQMC) applicable for general fermionic systems, which allows for the accumulation of phase in the random walk but...
15.
Mejia L, Yin J, Reichman D, Baer R, Yang C, Rabani E
J Chem Theory Comput . 2023 Aug; 19(16):5563-5571. PMID: 37539990
We present a real-time second-order Green's function (GF) method for computing excited states in molecules and nanostructures, with a computational scaling of (), where is the number of electrons. The...
16.
Ciarella S, Khomenko D, Berthier L, Mocanu F, Reichman D, Scalliet C, et al.
Nat Commun . 2023 Jul; 14(1):4229. PMID: 37454138
Structural defects control the kinetic, thermodynamic and mechanical properties of glasses. For instance, rare quantum tunneling two-level systems (TLS) govern the physics of glasses at very low temperature. Due to...
17.
Babbush R, Huggins W, Berry D, Ung S, Zhao A, Reichman D, et al.
Nat Commun . 2023 Jul; 14(1):4058. PMID: 37429883
Quantum algorithms for simulating electronic ground states are slower than popular classical mean-field algorithms such as Hartree-Fock and density functional theory but offer higher accuracy. Accordingly, quantum computers have been...
18.
Xu D, Mandal A, Baxter J, Cheng S, Lee I, Su H, et al.
Nat Commun . 2023 Jun; 14(1):3881. PMID: 37391396
Semiconductor excitations can hybridize with cavity photons to form exciton-polaritons (EPs) with remarkable properties, including light-like energy flow combined with matter-like interactions. To fully harness these properties, EPs must retain...
19.
Lindoy L, Mandal A, Reichman D
Nat Commun . 2023 May; 14(1):2733. PMID: 37173299
Recent experiments suggest that ground state chemical reactivity can be modified when placing molecular systems inside infrared cavities where molecular vibrations are strongly coupled to electromagnetic radiation. This phenomenon lacks...
20.
Mandal A, Xu D, Mahajan A, Lee J, Delor M, Reichman D
Nano Lett . 2023 Apr; 23(9):4082-4089. PMID: 37103998
We develop a microscopic theory for the multimode polariton dispersion in materials coupled to cavity radiation modes. Starting from a microscopic light-matter Hamiltonian, we devise a general strategy for obtaining...