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A purely artificial mechanism for optical nonlinearity is proposed based on a metamaterial route. The mechanism is derived from classical electromagnetic interaction in a meta-molecule consisting of a cut-wire meta-atom nested within a…

光学 · 物理学 2018-03-19 Yongzheng Wen , Ji Zhou

We have studied the electrical conductivity of the electron gas in parallel electric and magnetic fields directed along the plane of a parabolic quantum well (across the profile of the potential). We found a general expression for the…

介观与纳米尺度物理 · 物理学 2009-11-11 F. M. Hashimzade , Kh. A. Hasanov , M. M. Babayev

Physical fields, such as gravity and electromagnetic field, are interpreted as results from rearrangement of vacuum particles to get the equilibrium of net charge density and net mass density in 4-dimensional complex space. Then, both…

综合物理 · 物理学 2008-11-05 Kiyoung Kim

Based on the fluctuation-electromagnetic theory, we have calculated the retarded force of attraction, frictional moment and heating rate of a neutral particle rotating near a polarizable surface. The particle and surface are characterized…

介观与纳米尺度物理 · 物理学 2013-04-01 A. A. Kyasov , G. V. Dedkov

The theory of electromagnetic in nature new component of electrical current is suggested. In classical physics approximations for the cases of the free electron plasmas in semi-conductive media, the atom or molecular electrons of liquids…

综合物理 · 物理学 2009-08-12 P. M. Mednis

We discuss vacuum energy in string and M-theory with a focus on heterotic M-theory. In the latter theory a mechanism is described for maintaining zero vacuum energy after supersymmetry breaking. Higher-order corrections can be expected to…

高能物理 - 理论 · 物理学 2017-08-23 Axel Krause

By modeling a linear polarizable and magnetizable medium (magneto-dielectric) with two quantum fields, namely E and M, electromagnetic field is quantized in such a medium consistently and systematically. A Hamiltonian is proposed from…

量子物理 · 物理学 2009-11-11 F. Kheirandish , A. Amooshahi

Conditions at which a quasi-one-dimensional (1D) electron system can be considered as a quantum liquid of impenetrable charged particles are theoretically analyzed. In the presence of an inert, neutralizing background, a motion of…

超导电性 · 物理学 2024-06-21 Yu. P. Monarkha

In absence of currents and charges the quantized electromagnetic field can be described by wave functions which for each individual wave vector are normalized to one. The resulting formalism involves reducible representations of the…

量子物理 · 物理学 2017-05-05 Jan Naudts

The phase velocity of light is co-parallel to the direction of energy flow in classical vacuum. However, in certain uncommon materials, these two vectors can be oppositely directed, in which case the phase velocity is termed `negative'.…

光学 · 物理学 2007-05-23 Tom G. Mackay , Akhlesh Lakhtakia

The concept "Classical Electromagnetism" in the title of the paper here refers to a theory built on three foundations: relativity principles, the original Maxwell's equations, and the mathematics of exterior calculus. In this theory of…

经典物理 · 物理学 2007-05-23 Leif Pettersson

We present a class and home problem in graduate transport phenomena and electrochemical engineering that clarifies a common misconception: electroneutrality implies the electric field is constant. Starting with one-dimensional…

化学物理 · 物理学 2026-05-05 Ankur Gupta

Electronegativity is shown to control charge transfer, energy level alignments, and electron currents in single molecule tunnel junctions, all of which are governed by correlations contained within the density matrix. This is demonstrated…

介观与纳米尺度物理 · 物理学 2007-10-30 R. J. Bartlett , G. Fagas , J. C. Greer

The energy density in Fulling-Rindler vacuum, which is known to be negative "everywhere" is shown to be positive and singular on the horizons in such a fashion as to guarantee the positivity of the total energy. The mechanism of…

高能物理 - 理论 · 物理学 2010-04-06 Parentani Renaud

We show that the combined system of general relativity with a non minimally coupled electromagnetic field presents a bifurcation in a cosmical framework driven by a cosmological constant. In the same framework we show the existence of…

广义相对论与量子宇宙学 · 物理学 2020-06-23 A. E. S. Hartmann , M. Novello

The notion of an infinite electromagnetic self energy of point charges (presumably electrons) is accepted by many electromagnetic textbooks. See, for instance,\cite{jdj,dg,rf}. However, each of these sources acknowledge that they don't…

经典物理 · 物理学 2026-04-30 Jerrold Franklin

We study an electron bunch together with its self-fields from the viewpoint of basic dynamical quantities. This leads to a methodological discussion about the definition of energy and momentum for fully electromagnetic systems and about the…

加速器物理 · 物理学 2007-05-23 Gianluca Geloni , Evgeni Saldin

The stability of matter composed of electrons and static nuclei is investigated for a relativistic dynamics for the electrons given by a suitably projected Dirac operator and with Coulomb interactions. In addition there is an arbitrary…

统计力学 · 物理学 2009-10-28 Elliott H. Lieb , Heinz Siedentop , Jan Philip Solovej

Here we present an overview on the various works, in which many collaborators have contributed, regarding the interesting dipole of noncommutativity and physics. In brief, we present the features that noncommutativity triggers both in the…

高能物理 - 理论 · 物理学 2023-05-22 George Manolakos , Pantelis Manousselis , Danai Roumelioti , Stelios Stefas , George Zoupanos

Three notions of complementarity - operational, probabilistic, and value complementarity - are reanalysed with respect to the question of joint measurements and compared with reference to some examples of canonically conjugate observables.…

量子物理 · 物理学 2011-01-04 P. Busch , P. J. Lahti