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   Articles with "time independent" as a keyword



Time-independent density functional theory for degenerate excited states of Coulomb systems

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recommendations! Published in 2018 at "Theoretical Chemistry Accounts"

DOI: 10.1007/s00214-018-2352-7

Abstract: AbstractIn this third paper of a series [Refs. Ayers–Levy–Nagy (Phys Rev A 85:042518, 2012; J Chem Phys 143:191101, 2015) are papers I and II], time-independent universal functionals of ensemble densities are identified for individual degenerate… read more here.

Keywords: coulomb systems; time independent; degenerate; density ... See more keywords

Dispersion Energy from the Time-Independent Coupled-Cluster Polarization Propagator

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recommendations! Published in 2023 at "Journal of Chemical Theory and Computation"

DOI: 10.1021/acs.jctc.2c00902

Abstract: We present a new method of calculation of the dispersion energy in the second-order symmetry-adapted perturbation theory. Using the Longuet-Higgins integral and time-independent coupled-cluster response theory, one shows that the general expression for the dispersion… read more here.

Keywords: dispersion; coupled cluster; independent coupled; dispersion energy ... See more keywords

Aftershocks as a Time Independent Phenomenon

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recommendations! Published in 2025 at "Geophysical Research Letters"

DOI: 10.1029/2024gl112618

Abstract: Sequences of aftershocks following Omori's empirical law are observed after most major earthquakes, as well as in laboratory‐scale fault‐mimicking experiments. Nevertheless, the origin of this memory effect is still unclear. In this letter, we present… read more here.

Keywords: time independent; aftershocks time; time; independent phenomenon ... See more keywords
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Effects of collision on the time-independent states of a non-neutral plasma diode

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recommendations! Published in 2018 at "Physics of Plasmas"

DOI: 10.1063/1.5038614

Abstract: A theoretical investigation is presented on the steady states of a planar plasma diode where static ions uniformly occupy the inter-electrode region. A cold and purely monochromatic electron beam is injected from the emitter plate,… read more here.

Keywords: independent states; effects collision; time independent; plasma diode ... See more keywords

Using SMath to solve the time-independent Schrödinger equation

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recommendations! Published in 2021 at "Physics Education"

DOI: 10.1088/1361-6552/ac08ef

Abstract: This paper shows how the freely downloadable software package called SMath Studio can be used to solve the time-independent Schrödinger equation using a simple step-wise approximation. The solution is illustrated with reference to the hydrogen… read more here.

Keywords: dinger equation; time independent; solve time; independent schr ... See more keywords

Geodesic algorithm for unitary gate design with time-independent Hamiltonians

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recommendations! Published in 2024 at "Physical Review A"

DOI: 10.1103/physreva.111.052618

Abstract: Larger multiqubit quantum gates allow shallower, more efficient quantum circuits, which could decrease the prohibitive effect of noise on algorithms for noisy intermediate-scale quantum (NISQ) devices and fault-tolerant error correction schemes. Such multiqubit gates can… read more here.

Keywords: geodesic algorithm; independent hamiltonians; gate; time independent ... See more keywords

Scalar field with a time-independent classical source is not trivial after all: From vacuum decay to scattering

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recommendations! Published in 2024 at "Physical Review D"

DOI: 10.1103/physrevd.110.116004

Abstract: Historically it has been believed that a time-independent classical source has no effect on the scattering of relativistic uncharged fields, in contrast with single particle quantum mechanics. In this work we show that the dynamics… read more here.

Keywords: time; vacuum; source; independent classical ... See more keywords

Systematic Design of the Time-Independent and Computable Controller Based on Zero-Division-Avoidable Smoother for a Desired Orbit in Phase Space

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recommendations! Published in 2025 at "IEEE Robotics and Automation Letters"

DOI: 10.1109/lra.2025.3592132

Abstract: This letter proposes a method to systematically design a time-independent controller for a desired orbit in phase space. A time-independent controller is essential in robots that physically interact with humans or the environment. An approach… read more here.

Keywords: zero division; time independent; desired orbit; controller ... See more keywords

Universal Low-Complexity Safe Tracking Control and Its Application to Time-Independent Path Following of Nonholonomic Mobile Robots

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recommendations! Published in 2025 at "IEEE Transactions on Automation Science and Engineering"

DOI: 10.1109/tase.2025.3586138

Abstract: The existing shared control schemes and automatic control schemes are almost designed separately. Based on the designed constrained function and shared-constrained function, this paper proposes a universal control framework for high-order strict-feedback systems that can… read more here.

Keywords: safe tracking; tracking control; control; path following ... See more keywords

Time-independent reaction–diffusion equation with a discontinuous reactive term

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recommendations! Published in 2017 at "Computational Mathematics and Mathematical Physics"

DOI: 10.1134/s0965542517050062

Abstract: A two-dimensional singularly perturbed elliptic equation referred to in applications as the reaction–diffusion equation is considered. The nonlinearity describing the reaction is assumed to be discontinuous on a certain closed curve. On the basis of… read more here.

Keywords: time independent; diffusion equation; reaction diffusion; reaction ... See more keywords

Adiabatic theorems for general linear operators with time-independent domains

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recommendations! Published in 2019 at "Reviews in Mathematical Physics"

DOI: 10.1142/s0129055x19500144

Abstract: We establish adiabatic theorems with and without spectral gap conditions for general — typically dissipative — linear operators [Formula: see text] with time-independent domains [Formula: see text] in some Banach space [Formula: see text]. Compared… read more here.

Keywords: linear operators; time independent; formula see; adiabatic theorems ... See more keywords