Showing 121 - 140 results of 146 for search '"Quantum mechanics"', query time: 0.05s Refine Results
  1. 121

    Theoretical Study of the Kinetics of the Pyrolytic Elimination Reaction of Ethyl Chloride by Isaiah Ajibade Adejoro, Emmanuel Ekeh

    Published 2010-01-01
    “…Using AM1, MNDO and PM3 Hamiltonians of quantum mechanical computer code called MOPAC, a procedure for the kinetics and computation of the Arrhenius parameters for the pyrolytic elimination reaction of ethyl chloride was devised in order to evaluate the predictive ability of the three Hamiltonians used. …”
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  2. 122
  3. 123

    Investigating Some Diatomic Molecules Bounded by the Two-Dimensional Isotropic Oscillator plus Inverse Quadratic Potential in an External Magnetic Field by O. J. Oluwadare, E. O. Ilesanmi, T. O. Abiola, O. Olubosede, E. A. Odo, S. O. Ajibade, K. J. Oyewumi

    Published 2022-01-01
    “…We investigate the nonrelativistic magnetic effect on the energy spectra, expectation values of some quantum mechanical observables, and diamagnetic susceptibility for some diatomic molecules bounded by the isotropic oscillator plus inverse quadratic potential. …”
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  4. 124

    A Possible Solution of the Cosmological Constant Problem Based on GW170817 and Planck Observations with Minimal Length Uncertainty by Abdel Magied Diab, Abdel Nasser Tawfik

    Published 2022-01-01
    “…We propose generalized uncertainty principle (GUP) with an additional term of quadratic momentum motivated by string theory and black hole physics and providing a quantum mechanical framework for the minimal length uncertainty, at the Planck scale. …”
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  5. 125

    Molecular basis for azetidine-2-carboxylic acid biosynthesis by Tim J. Klaubert, Jonas Gellner, Charles Bernard, Juliana Effert, Carine Lombard, Ville R. I. Kaila, Helge B. Bode, Yanyan Li, Michael Groll

    Published 2025-02-01
    “…Here, we combine structural and biochemical analyses with quantum mechanical calculations and mutagenesis studies to reveal catalytic insights into AZE synthases. …”
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  6. 126

    Modeling and Experimental Validation of the Intrinsic SNR in Spin Qubit Gate-Based Readout and Its Impacts on Readout Electronics by Bagas Prabowo, Jurgen Dijkema, Xiao Xue, Fabio Sebastiano, Lieven M. K. Vandersypen, Masoud Babaie

    Published 2024-01-01
    “…By analyzing the underlying physics of spin qubits during readout, this work proposes a qubit readout model that takes into account the qubit's quantum mechanical properties, providing a way to evaluate the tradeoffs among the aforementioned parameters. …”
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  7. 127

    Superconformal blocks: general theory by Ilija Burić, Volker Schomerus, Evgeny Sobko

    Published 2020-01-01
    “…Solu­ tions to the associated eigenvalue problem can be obtained through a quantum mechanical perturbation theory that truncates at some finite order so that all results are exact. …”
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  8. 128

    Building up accurate atomistic models of biofunctionalized magnetite nanoparticles from first-principles calculations by Paulo Siani, Enrico Bianchetti, Cristiana Di Valentin

    Published 2025-01-01
    “…In this work, we integrate first-principles calculations with mainstream force fields to construct and simulate atomistic models of pristine and biofunctionalized magnetite nanoparticles with quantum mechanical accuracy. The practical implications of this approach are demonstrated through a case study of PEG (polyethylene glycol)-coated magnetite nanoparticles in physiological conditions, where we investigate how polymer chain length, in both heterogeneous and homogeneous coatings, impacts key functional properties in advanced nanosystem design. …”
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  9. 129

    Neutron Interferometry at the National Institute of Standards and Technology by D. A. Pushin, M. G. Huber, M. Arif, C. B. Shahi, J. Nsofini, C. J. Wood, D. Sarenac, D. G. Cory

    Published 2015-01-01
    “…Neutron interferometry has proved to be a very precise technique for measuring the quantum mechanical phase of a neutron caused by a potential energy difference between two spatially separated neutron paths inside interferometer. …”
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  10. 130

    Effect of Population Structures on Quantum-Inspired Evolutionary Algorithm by Nija Mani, Gursaran Srivastava, A. K. Sinha, Ashish Mani

    Published 2014-01-01
    “…Quantum-inspired evolutionary algorithm (QEA) has been designed by integrating some quantum mechanical principles in the framework of evolutionary algorithms. …”
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  11. 131

    Are in-medium quark-gluon showers strongly coupled? results in the large-N f limit by Peter Arnold, Omar Elgedawy, Shahin Iqbal

    Published 2025-01-01
    “…During shower development, two consecutive splittings sometimes overlap quantum mechanically, so that they cannot be treated independently. …”
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  12. 132

    Measurement events relative to temporal quantum reference frames by Ladina Hausmann, Alexander Schmidhuber, Esteban Castro-Ruiz

    Published 2025-01-01
    “…The Page-Wootters formalism is a proposal for reconciling the background-dependent, quantum-mechanical notion of time with the background independence of general relativity. …”
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  13. 133

    Higher-Order Amplitude Squeezing in Six-Wave Mixing Process by Sunil Rani, Jawahar Lal, Nafa Singh

    Published 2011-01-01
    “…We investigate theoretically the generation of squeezed states in spontaneous and stimulated six-wave mixing process quantum mechanically. It has been found that squeezing occurs in field amplitude, amplitude-squared, amplitude-cubed, and fourth power of field amplitude of fundamental mode in the process. …”
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  14. 134

    A Generalization of Electromagnetic Fluctuation-Induced Casimir Energy by Yi Zheng

    Published 2015-01-01
    “…Intermolecular forces responsible for adhesion and cohesion can be classified according to their origins; interactions between charges, ions, random dipole—random dipole (Keesom), random dipole—induced dipole (Debye) are due to electrostatic effects; covalent bonding, London dispersion forces between fluctuating dipoles, and Lewis acid-base interactions are due to quantum mechanical effects; pressure and osmotic forces are of entropic origin. …”
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  15. 135

    Freestanding VO2 membranes on epidermal nanomesh for ultra-sensitive correlated breathable sensors by Dongha Kim, Dongju Lee, Jiseok Park, Jihoon Bae, Aiping Chen, Judith L. MacManus-Driscoll, Sungwon Lee, Shinbuhm Lee

    Published 2025-02-01
    “…Since our breathable sensors operate based on quantum-mechanical correlation effects, their sensitivity is 1−2 orders of magnitude higher than conventional tactile and respiratory sensors based on other materials. …”
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  16. 136

    A digital platform for automated analysis of 1H NMR data: prototype framework of digital reference standard by Sunil Babu Paudel, Joo-Won Nam, Gonzalo R. Malca Garcia, Ben Shapiro, Pekka Laatikainen, Yang Liu

    Published 2025-01-01
    “…Abstract This study introduces an innovative approach to automatically analyzing 1H nuclear magnetic resonance (NMR) data, integrating a quantum mechanical spectral analysis (QMSA) to enhance efficiency over manual data analysis in NMR. …”
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  17. 137

    Potential Trace Metal–Organic Complexation in the Atmosphere by Hiroshi Okochi, Peter Brimblecombe

    Published 2002-01-01
    “…The lower Henry’s law constants of the α-dicarbonyls, such as glyoxal and methylglyoxal, mean that the complexation could lead to profound increases in their partition into the aqueous phase. Despite quantum mechanical arguments for copper–glyoxal complexes, experiments showed no evidence of complexation between either hydrated or unhydrated α-dicarbonyls and the cupric ion. …”
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  18. 138

    Low-density parity-check representation of fault-tolerant quantum circuits by Ying Li

    Published 2025-01-01
    “…Each codeword in the representation corresponds to a quantum-mechanical equation regarding the circuit, formalizing the correlations utilized in parity checks and delineating logical operations within the circuit. …”
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  19. 139

    Fast Atomic Charge Calculation for Implementation into a Polarizable Force Field and Application to an Ion Channel Protein by Raiker Witter, Margit Möllhoff, Frank-Thomas Koch, Ulrich Sternberg

    Published 2015-01-01
    “…Here, we present a very fast computational quantum mechanical method, the Bond Polarization Theory (BPT). …”
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  20. 140

    A Nanotechnology Enhancement to Moore's Law by Jerry Wu, Yin-Lin Shen, Kitt Reinhardt, Harold Szu, Boqun Dong

    Published 2013-01-01
    “…In viewing of mobile computing with insatiate appetite, we explored the necessary enhancement by an increasingly maturing nanotechnology and facing the inevitable quantum-mechanical atomic and nuclei limits. Since we cannot break down the atomic size barrier, the fact implies a fundamental size limit at the atomic/nucleus scale. …”
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