Results 71 to 80 of about 154,862 (311)
On Hamiltonian Paths and Cycles in Sufficiently Large Distance Graphs [PDF]
Graph ...
Christian Löwenstein+2 more
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Antidirected Hamiltonian paths in tournaments
AbstractIt is well known that every tournament has a directed Hamiltonian path. A similar result is established concerning the existence of antidirected Hamiltonian paths in tournaments.
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Orbital Topology of Chiral Crystals for Orbitronics
Chirality is ubiquitous in nature and constitutional for life. In chiral materials the intrinsic handedness, defined by their crystal structure, becomes a main driver for a novel electronic topology that is based on the orbital angular momentum rather than the electron spin.
Kenta Hagiwara+16 more
wiley +1 more source
Hamiltonian Quantization of Effective Lagrangians with Massive Vector Fields
Effective Lagrangians containing arbitrary interactions of massive vector fields are quantized within the Hamiltonian path integral formalism. It is proven that correct Hamiltonian quantization of these models yields the same result as naive Lagrangian ...
A. C. Longhitano+59 more
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Radical TADF: Quartet‐Derived Luminescence with Dark TEMPO
A new class of luminescent organic quantum materials is introduced, formed by attaching a stable radical to TADF chromophores. Due to ferromagnetic exchange coupling, a high‐spin quartet state forms upon excitation, which can thermally access a bright state.
Sebastian Gorgon+8 more
wiley +1 more source
Timeless path integral for relativistic quantum mechanics
Starting from the canonical formalism of relativistic (timeless) quantum mechanics, the formulation of timeless path integral is rigorously derived. The transition amplitude is reformulated as the sum, or functional integral, over all possible paths in ...
Arthurs E+16 more
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Comprehending the dynamical behavior of quantum systems driven by time-varying Hamiltonians is particularly difficult. Systems with as little as two energy levels are not yet fully understood as the usual methods including diagonalization of the ...
Pierre-Louis Giscard, Christian Bonhomme
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Hamiltonian paths in infinite graphs [PDF]
A tight connection is exhibited between infinite paths in recursive trees and Hamiltonian paths in recursive graphs. A corollary is that determining Hamiltonicity in recursive graphs is highly undecidable, viz, Σ 1 1 -complete. This is shown to hold even for highly recursive graphs with degree bounded
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Designing the Self‐Assembly of Disordered Materials Via Color Frustration
What if disorder can be designed? This work introduces a strategy to self‐assemble amorphous materials by designing bonding rules for patchy particles that suppress crystallinity and promote frustration. The designer particles nucleate a network of dodecahedral cages from the liquid, yielding a novel equilibrium amorphous phase. This approach redefines
Andreas Neophytou+2 more
wiley +1 more source
On coefficients of path polynomials
Explicit formulae, in terms of sugraphs of the graph, are given for the first six coefficients of the simple path polynomial of a graph. From these, explicit formulae are deduced for the number of hamiltonian paths in graphs with up to six nodes.
E. J. Farrell
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