第1章物理の基本用語

(GLOSSARY)

KyotoUniversity

GraduateSchool 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

theazimuthal angle

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

perturbation 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:

1.The product of the mass and the velocity of a particle.

2.The surface area of a sphere with radius R.

3.The most massive part of an atom, consisting of protons and neutrons.

4.The distance between the origin and the point (x, y) = (1, 2) in the xy-plane.

5. The relation between two flat planes perpendicular to a common straight line.

6. The fundamental physical theory developed in the 1920s as a replacement for classical mechanics.

7.An elementary particle with zero charge and with a rest mass nearly equal to that of a proton.

8.A quantum of electromagnetic radiation (light).

9.The rate of increase of velocity with time.

10.A part of the energy associated with motion.

(Exercise 1-2) pp. 3-4

11.The intrinsic angular momentum of an elementary particle.

12.The fundamental principle often expressed by the relation x•p~.

13.An extensive variable in thermodynamics that gives a measure of the microscopic disorder of a system.

14.A reaction between light nuclei in which a heavier nucleus is formed with the release of energy.

15.The force between positive and negative charges is attractive. How about the force between two positive charges ?

16.The change of direction that a wave undergoes when it enters another medium.

17.Two resistors connected in this way give the total resistance that is the sum of the two.

18.High-energy charged particles which enter the earth’s atmosphere from outer space.

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