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Physics

In this discipline: 649,394 papers · 3,927 groups

Discipline summary

Physics is the study of matter and its motion through space and time. Physics is referred to as the “fundamental science” because it describes phenomena in terms of their most basic underlying elements. For instance, the four fundamental forces, Gravity, Strong, Weak, and Electro-magnetic, describe how the simplest particles in the universe interact with one another. Classical physics is study on the macroscopic scale, where mechanics work according to Newton’s Laws. Classical physics also includes electrodynamics according to Maxwell, thermodynamics, and special and general relativity. Modern physics has moved into the post-Newtonian realm, studying velocities near the speed of light and distances on the atomic scale. Physicists generally approach problems either experimentally, by recording observations, or theoretically, by using mathematical models to predict phenomena that can’t be observed.

Popular papers

  1. Graphene is a rapidly rising star on the horizon of materials science and condensed-matter physics. This strictly two-dimensional material exhibits exceptionally high crystal and electronic quality, and, despite its short history, has already…
  2. Surface plasmons are waves that propagate along the surface of a conductor. By altering the structure of a metal's surface, the properties of surface plasmons--in particular their interaction with light--can be tailored, which offers the potential…
  3. This article reviews the basic theoretical properties of graphene, a\ntwo-dimensional allotrope of carbon, with unusual electronic properties. The\nelementary excitations are linearly dispersing Dirac fermions with vanishing\nelectronic density of…
  4. Spintronics, or spin electronics, involves the study of active control and manipulation of spin degrees of freedom in solid-state systems. This article reviews the current status of this subject, including both recent advances and well-established…
  5. This article reviews the basic theoretical properties of graphene, a\ntwo-dimensional allotrope of carbon, with unusual electronic properties. The\nelementary excitations are linearly dispersing Dirac fermions with vanishing\nelectronic density of…
  6. Graphene is the two-dimensional building block for carbon allotropes of every other dimensionality. We show that its electronic structure is captured in its Raman spectrum that clearly evolves with the number of layers. The D peak second order…
  7. This article reviews recent experimental and theoretical progress on many-body phenomena in dilute, ultracold gases. Its focus are effects beyond standard weak-coupling descriptions, like the Mott-Hubbard-transition in optical lattices, strongly…
  8. Topological insulators are electronic materials that have a bulk band gap like an ordinary insulator, but have protected conducting states on their edge or surface. The 2D topological insulator is a quantum spin Hall insulator, which is a close…
  9. Height-height correlations for self-affine surfaces with finite horizontal cutoffs are generally modeled by exponential forms. Three mathematically acceptable, alternate forms for the height-height correlation function are investigated, to explore…

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