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Glossary

Revised Apr. 24, 2017

Kyoto University

Graduate School of Science
  • Division of Physics and Astronomy
  • Division of Mathematics and Mathematical Analysis
  • Division of Earth and Planetary Sciences
  • Division of Chemistry
  • Division of Biological Sciences
Faculty of Science
  • Department of Physics undergraduate students (undergraduates)
  • freshman, sophomore, junior, senior
  • graduate students (graduates)
  • teaching assistant (TA)
  • postdoctor (PD)
  • associate professor  准教授
  • assistant professor  助教
  • physicist
  • experimentalist / theorist
  • the first semester / the second semester

Courses

  • classical mechanics
  • electricity and magnetism (E & M)
  • quantum mechanics
  • thermodynamics, statistical mechanics
  • general relativity
  • nonlinear science
  • physics laboratory
  • senior thesis   卒業論文
  • condensed matter physics
  • quantum optics, laser spectroscopy
  • plasma physics
  • hydrodynamics
  • soft-matter physics
  • nuclear physics
  • particle physics
  • high energy physics
  • cosmology, astronomy

Matter

  • solid, liquid, gas
  • molecule, atom, nucleus (pl. nuclei)
  • nucleon, proton, neutron (cf. neuron)
  • electron, photon     光子
  • neutrino
  • hadron, lepton
  • quark, gluon
  • strong interaction / weak interaction
  • electromagnetic interaction
  • gravitation (gravity)
  • hydrogen, proton
  • deuterium, deuteron  重水素,重陽子
  • isotope
  • a periodic table of the elements
  • protein
  • DNA (deoxyribonucleic acid)
  • gene

Mathematics, etc

  • addition, summation
  • subtraction sign 符号
  • multiplication, division
  • product, quotient 商
  • round off, round up, round down 四捨五入、切上げ、切捨て
  • substitution
  • ratio (pl. ratios)
  • even number, odd ...
  • integer fraction, decimal
  • constant, variable
  • integration, integral
  • differentiation, partial derivative
  • differential equation
  • boundary condition
  • solution, approximation
  • numerator, denominator  分子,分母
  • maximum, minimum
  • scalar product, vector product, tensor
  • matrix (pl. matrices)
  • determinant, eigenvalue
  • reciprocal
  • circle, cylinder, sphere
  • square, cube, rectangle
  • parallelogram
  • trapezoid
  • equilateral triangle  正三角形
  • isosceles triangle   二等辺三角形
  • radius (pl. radii), diameter
  • circumference
  • surface area
  • volume
  • a diagonal
  • a right angle       直角
  • parallel, perpendicular
  • orthogonal
  • origin, unity
  • logarithm, exponential function
  • hyperbola, 双曲線
  • parabola  放物線
  • quadratic function
  • quadratic equation
  • polynomial function
  • asymptotic expansion   漸近
  • extrapolation, interpolation 外挿、内挿
  • mean, standard deviation
  • the method of least squares
  • the least-squares method
  • an order of magnitude    桁
  • two orders of magnitude
  • dimension, dimensionality
  • geometry, algebra
  • projection
  • complex number
  • real number, imaginary ...
  • complex conjugate
  • Cartesian coordinates
  • cylindrical coordinates
  • spherical coordinates
  • the polar angle θ
  • theazimuthal angle Φ
  • hypothesis
  • criterion
  • analysis
  • estimation approximation
  • speculation         推測

Mechanics

  • force, centrifugal force, centripetal …
  • viscosity,friction
  • motion, rotation,  translation  並進
  • gravity gravitation
  • a degree of freedom      自由度
  • an equation of motion
  • mass, weight, density
  • moment of inertia
  • momentum (pl. momenta)
  • angular momentum
  • velocity, acceleration, angular velocity
  • position, distance
  • Hamiltonian, Lagrangian
  • potential energy, kinetic energy
  • energy conservation
  • anisotropy
  • torque, friction, dissipation 散逸
  • oscillation, a harmonic oscillator
  • resonance       共鳴
  • precision, accuracy    精度、確度
  • amplitude,   phase
  • pendulum
  • elastic collision, inelastic ...
  • turbulence, chaos  
  • vortex (pl. vortices)
  • a frame of reference 基準系
  • an inertial frame of reference 慣性系

Electricity and Magnetism

  • charge, elementary ...  電荷
  • attractive force, repulsive ... 引力、斥力
  • electric field, magnetic field
  • the method of images 鏡像法
  • magnetic dipole, electric quadrupole
  • Coulomb force
  • Maxwell's equations
  • gradient, divergence 勾配、発散
  • speed of light
  • frequency, period, wavelength
  • current 電流
  • voltage
  • oscilloscope
  • Ohm's law
  • resistance, resistor 電気抵抗
  • parallel-plate capacitor 
  • mutual inductance, inductor
  • impedance
  • coaxial cable   同軸ケーブル
  • parallel circuit, in parallel 並列
  • series circuit, in series 直列
  • propagation, absorption  伝播、吸収
  • attenuation 減衰
  • Doppler shift
  • elastic scattering, inelastic ... 弾性散乱、非弾性散乱
  • X-ray diffraction エックス線回折
  • reflection 反射
  • index of refraction  屈折率
  • interference 干渉
  • dielectric constant (permittivity)  誘電率
  • permeability  透磁率
  • dispersion relation 分散関係
  • concave 凹 convex 凸
  • thermal convection      熱対流
  • the principle of least action 最小作用の法則

Quantum Mechanics

  • the uncertainty principle  不確定性原理
  • the Pauli exclusion principle   排他律
  • quantization        量子化
  • eigenvalue  固有値
  • spin, parity
  • symmetry, observable, operator
  • binding energy, a bound state 束縛状態
  • the ground state       基底状態
  • excitation, an excited state  励起状態
  • activation energy  励起エネルギー
  • stationary state (c.f. stationery) 静的状態
  • steady state     定常状態
  • degeneracy       縮退、凝縮
  • perturbatio       摂動
  • conjugate 共役
  • invariant
  • commutation relations   交換関係  
  • annihilation operator, creation ... 消滅演算子、生成...    
  • orbital          軌道
  • Compton scattering
  • pair annihilation
  • Zeeman effect
  • de Broglie waves
  • Feynman diagram
  • principal quantum number
  • azimuthal ・・・ magnetic ・・・
  • quantum computing
  • qubit (quantum bit)

Statistical Physics

  • heat
  • specific heat, heat capacity 比熱、熱容量
  • latent heat
  • temperature, pressure
  • free energy
  • entropy, volume
  • thermometer
  • adiabatic expansion 断熱膨張
  • isothermal compression 等温圧縮
  • canonical ensemble
  • partition function 分配関数
  • phase space 位相空間
  • Bose-Einstein condensation
  • distribution function 分布関数
  • equilibrium, non-equilibrium 熱平衡 非平衡
  • critical temperature 臨界温度
  • threshold value 閾値
  • mean free path  平均自由行程
  • fluctuation 揺らぎ
  • diffusion
  • saturation 飽和
  • hysteresis (pl. hystereses) ヒステリシス
  • medium (pl. media)  媒体
  • vacuum
  • renormalization      繰り込み

Condensed Matter Physics  凝縮系物理学

  • metal, insulator, semiconductor
  • superfluidity,
  • superconductivity
  • phase transition 相転移
  • long-range order
  • saturated vapor pressure 飽和蒸気圧
  • ultrasound 超音波
  • phonons, lattice  フォノン、格子
  • crystal, amorphous material
  • alloy, compound, composition
  • impurity
  • paramagnetism, ferromagnetism 常磁性、強磁性
  • magnetic susceptibility
  • giant magnetoresistance 巨大磁気抵抗
  • SEM (scanning electron microscope)
  • STM (scanning tunneling microscope) 走査型トンネル顕微鏡
  • NMR (nuclear magnetic resonance) 核磁気共鳴
  • MRI (Magnetic Resonance Imaging) 磁気共鳴映像法
  • empirical rule 経験則

Particle Physics and Cosmology

  • parity
  • fine-structure constant
  • particle accelerator 粒子加速器
  • nuclear reactor 原子炉
  • nuclear fission, nuclear fusion 核分裂、   核融合
  • QCD (quantum chromodynamics)
  • QED (quantum electrodynamics) 量子色力学, 量子電磁力学
  • time scale
  • universe, galaxy 宇宙、銀河
  • a solar system
  • red shift 赤方偏移
  • nebula (pl. nebulae) 星雲
  • supernova (pl. supernovae)  超新星
  • black-body radiation 黒体輻射
  • cosmic ray   宇宙線
  • comet 彗星
  • the special (general) theory of relativity 特殊(一般)相対性理論

GUT: Grand Unified Theory

  • neutrino oscillation
  • proton decay 崩壊
  • planets
  • Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
  • satellite

KEY EXPRESSIONS

  • by three orders of magnitude
  • on the order of
  • by a factor of
  • proportional to the cube of
  • the square root of
  • with respect to
  • in terms of
  • account for
  • characteristic of
  • be ascribed to
  • attribute A to B
  • respectively
  • For this reason
  • More precisely,
  • Interestingly,
  • on the other hand
  • Conversely,
  • consist of / consistent with
  • First, / Second,
  • on the contrary

(Exercise 1-1) pp. 1-2

Write down the words in English that best describe the following statements:
  • The product of the mass and the velocity of a particle.
  • The surface area of a sphere with radius R.
  • The most massive part of an atom, consisting of protons and neutrons.
  • The distance between the origin and the point (x, y) = (1, 2) in the xy-plane.
  • The relation between two flat planes perpendicular to a common straight line.
  • The fundamental physical theory developed in the 1920s as a replacement for classical mechanics.
  • An elementary particle with zero charge and with a rest mass nearly equal to that of a proton.
  • A quantum of electromagnetic radiation (light).
  • The rate of increase of velocity with time.
  • A part of the energy associated with motion.
Exercise image

(Exercise 1-2) pp. 3-4

  • The intrinsic angular momentum of an elementary particle.
  • The fundamental principle often expressed by the relation △x•△p~ħ
  • An extensive variable in thermodynamics that gives a measure of the microscopic disorder of a system.
  • A reaction between light nuclei in which a heavier nucleus is formed with the release of energy.
  • The force between positive and negative charges is attractive. How about the force between two positive charges ?
  • The change of direction that a wave undergoes when it enters another medium.
  • Two resistors connected in this way give the total resistance that is the sum of the two.
  • High-energy charged particles which enter the earth's atmosphere from outer space.