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Advances in physics theories and applications

Testing Quantum Physics With Neutrinos, Measurements Disturb The System And Skew The Results, Of Photon Recoil From A Levitated Nanoparticle, Cool The Harmonic Motion Of The Nanoparticle By Means Of A Phase-Sensitive Feedback Scheme, New Evidence Could ‗B

K.N.P. Kumar

Published Jan 1, 2013• 0 citations
OpenAlex

Abstract

System discussed is as follows: Testing Quantum Physics With Neutrinos, Measurements Disturb The System And Skew The Results, Of Photon Recoil From A Levitated Nanoparticle, Cool The Harmonic Motion Of The Nanoparticle By Means Of A Phase-Sensitive Feedback Scheme, New Evidence Could ‗Break‘ The Standard.............. he full paper: http://www.iiste.org/PDFshare/APTA-PAGENO-849965-856520.pdf

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Quantum Fluctuations of a Levitated Nanoparticle: An Analysis Within Nelson's Stochastic Mechanics Reformulation of Quantum Theory

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ABSTRACT Levitodynamics, i.e., the levitation of objects of mesoscopic size has made huge progress in the last decade allowing to address some questions of fundamental physics for the first time. It has become possible to cool a levitated particle of mesoscopic size down to its motional ground state and to observe its motion driven by quantum fluctuations. This defines a quantum system that is ideally suited for an analysis within Nelson's stochastic mechanics approach to quantum mechanics, which allows for a dynamic description of individual particle paths. In good approximation, a levitated nanoparticle is a quantum harmonic oscillator. The coherent states of such an oscillator are superpositions of classical paths and the stochastic ground state process. They are exact solutions not only of the Schrödinger equation but also of the quantum Hamilton equations of Nelson's stochastic mechanics, and they are amenable to path simulations. All model parameters are typically available from experiment. Analyzing the quantum motion of the levitated nanoparticle in terms of the coherent states of a quantum harmonic oscillator allows for a quantitative prediction of the experimentally measured power spectral density of its position fluctuations and predicts new experimentally accessible measures for the mean number of phonons present in the center of mass motion. It also explains the observed phase space trajectory of the nano‐particle during cooling.

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Recoil Causes The Particle‘s Energy To Change, Scattered Photon Cannot Perform A ―Strong‖ Measurement Of The Particles Position, Recoil-Heating Rate, Which Depends On The Photon-Scattering Rate And The Effect Of Each Scattering Event

K.N.P. Kumar

System disseminated and delineated upon is as follows: Recoil Causes The Particle‘s Energy To Change, Scattered Photon Cannot Perform A ―Strong‖ Measurement Of The Particles Position, Recoil-Heating Rate, Which Depends On The Photon-Scattering Rate And The Effect Of Each Scattering Event, Molecular Collisions Constitute The Dominant Noise Source, Photon-Recoil Heating Rate For Various Experimental Parameters And Quantum Predictions, Is E=Mc^2 An Exclusively Relativistic Result, Formula Should Be E= (E0)/(1-V^2/C^2)^(1/2) Derived By Laue In 1911 And Klein In 1918, Stochastic Gravitational-Wave Background From Binary Black Holes, Analytical Computation Of The Mercury Perihelion Precession Via The Relativistic Gravitational Law And Comparison With General Relativity, A Bohr-Type Model With Gravity As The Attractive Force The full paper: http://www.iiste.org/PDFshare/APTA-PAGENO-856521-864129.pdf

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We discuss the effects of quantum decoherence for neutrino oscillations in the weak coupling limit and review some experimental bounds.* Speaker.

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Following system with its predilections and propensities and properties are discussed: Noninvasive Measurability, Leggett-Garg Inequality, Each Flavor Interacts With Other Matter In A Unique Way, So When We Observe Neutrinos We Also Observe Their Flavor, A Techni-Higgs Particle Is Not An Elementary Particle, Pure Difference Is Closer To Antagonism, New Arises Only From Repetition, None Of The Four Known Forces Of Nature (Gravity, The Electromagnetic Force, The Weak Nuclear Force And The Strong Nuclear Force) Are Any Good At Binding Techni-Quarks Together, Effect Of The Neutron Lifetime On Processes In The Early Universe, S-Process Simulations That Adopt A Treatment Of Convective Boundaries Based On The Results Of Hydrodynamic Simulations And On The Theory Of Mixing Due To Gravity Waves In The Vicinity Of Convective Boundaries The full paper: http://www.iiste.org/PDFshare/APTA-PAGENO-870780-877441.pdf

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Nature’s General ledger continues to be written. Apprehensional - argumentation, bounds-comprehension, dialectics-discernment, generalizational induction, inferential intellect, soundness-speculation.... The full paper: http://www.iiste.org/PDFshare/APTA-PAGENO-243628-248382.pdf

Advances in physics theories and applications•Jan 1, 2013•0 citations
System discussed is as follows: Testing Quantum Physics With Neutrinos, Measurements Disturb The System And Skew The Results, Of Photon Recoil From A Levitated Nanoparticle, Cool The Harmonic Motion Of The Nanoparticle By Means Of A Phase-Sensitive Feedback Scheme, New Evidence Could ‗Break‘ The Standard.............. he full paper: http://www.iiste.org/PDFshare/APTA-PAGENO-849965-856520.pdf
ABSTRACT Levitodynamics, i.e., the levitation of objects of mesoscopic size has made huge progress in the last decade allowing to address some questions of fundamental physics for the first time. It has become possible to cool a levitated particle of mesoscopic size down to its motional ground state and to observe its motion driven by quantum fluctuations. This defines a quantum system that is ideally suited for an analysis within Nelson's stochastic mechanics approach to quantum mechanics, which allows for a dynamic description of individual particle paths. In good approximation, a levitated nanoparticle is a quantum harmonic oscillator. The coherent states of such an oscillator are superpositions of classical paths and the stochastic ground state process. They are exact solutions not only of the Schrödinger equation but also of the quantum Hamilton equations of Nelson's stochastic mechanics, and they are amenable to path simulations. All model parameters are typically available from experiment. Analyzing the quantum motion of the levitated nanoparticle in terms of the coherent states of a quantum harmonic oscillator allows for a quantitative prediction of the experimentally measured power spectral density of its position fluctuations and predicts new experimentally accessible measures for the mean number of phonons present in the center of mass motion. It also explains the observed phase space trajectory of the nano‐particle during cooling.
System disseminated and delineated upon is as follows: Recoil Causes The Particle‘s Energy To Change, Scattered Photon Cannot Perform A ―Strong‖ Measurement Of The Particles Position, Recoil-Heating Rate, Which Depends On The Photon-Scattering Rate And The Effect Of Each Scattering Event, Molecular Collisions Constitute The Dominant Noise Source, Photon-Recoil Heating Rate For Various Experimental Parameters And Quantum Predictions, Is E=Mc^2 An Exclusively Relativistic Result, Formula Should Be E= (E0)/(1-V^2/C^2)^(1/2) Derived By Laue In 1911 And Klein In 1918, Stochastic Gravitational-Wave Background From Binary Black Holes, Analytical Computation Of The Mercury Perihelion Precession Via The Relativistic Gravitational Law And Comparison With General Relativity, A Bohr-Type Model With Gravity As The Attractive Force The full paper: http://www.iiste.org/PDFshare/APTA-PAGENO-856521-864129.pdf
Following system with its predilections and propensities and properties are discussed: Noninvasive Measurability, Leggett-Garg Inequality, Each Flavor Interacts With Other Matter In A Unique Way, So When We Observe Neutrinos We Also Observe Their Flavor, A Techni-Higgs Particle Is Not An Elementary Particle, Pure Difference Is Closer To Antagonism, New Arises Only From Repetition, None Of The Four Known Forces Of Nature (Gravity, The Electromagnetic Force, The Weak Nuclear Force And The Strong Nuclear Force) Are Any Good At Binding Techni-Quarks Together, Effect Of The Neutron Lifetime On Processes In The Early Universe, S-Process Simulations That Adopt A Treatment Of Convective Boundaries Based On The Results Of Hydrodynamic Simulations And On The Theory Of Mixing Due To Gravity Waves In The Vicinity Of Convective Boundaries The full paper: http://www.iiste.org/PDFshare/APTA-PAGENO-870780-877441.pdf