physics-1998 热词(合成词)列表

这里只显示在超过10篇文章中出现的候选词(前100个)

编号	候选名词	总数	文章数	重复频率	词频弥散	来源期刊
1	magnetic field	442	87	6.0	0.003189	9801014,9801004,etc
2	ground state	351	82	11.0	0.001603	9801034,9801014,etc
3	wave function	255	70	3.0	0.002108	9801002,9801014,etc
4	boundary condition	153	54	3.667	0.000991	9801014,9801023,etc
5	matrix element	245	53	2.5	0.001526	9801002,9801013,etc
6	initial condition	126	45	3.2	0.000904	9802021,9802025,etc
7	quantum mechanic	117	43	2.667	0.001139	9801021,9801009,etc
8	distribution function	114	30	4.0	0.001144	9802026,9802009,etc
9	numerical calculation	60	30	3.25	0.00053	9802003,9802021,etc
10	potential energy	63	30	3.0	0.001395	9802020,9802050,etc
11	phase space	96	29	3.0	0.000775	9802025,9802046,etc
12	time scale	70	28	3.5	0.00057	9801002,9801026,etc
13	differential equation	81	28	4.0	0.00087	9802016,9802004,etc
14	numerical simulation	49	26	3.0	0.000792	9802036,9802019,etc
15	initial state	38	24	3.0	0.00033	9801002,9801030,etc
16	external field	113	24	4.0	0.002253	9802003,9802037,etc
17	nonumber &	47	23	7.0	0.000498	9802021,9802007,etc
18	field strength	70	22	13.0	0.000882	9801014,9801015,etc
19	quantum number	43	21	2.25	0.000505	9801027,9801013,etc
20	time step	52	21	7.0	0.000421	9801028,9801022,etc
21	hydrogen atom	70	18	4.0	0.001355	9801014,9801022,etc
22	plane wave	39	18	8.0	0.000842	9802025,9802038,etc
23	final state	42	17	5.5	0.000649	9801002,9801034,etc
24	electromagnetic wave	49	16	4.667	0.001518	9802026,9802037,etc
25	Green' function	46	16	3.429	0.00073	9802051,9802014,etc
26	valence electron	58	16	2.5	0.001244	9802003,9802017,etc
27	charge density	42	16	3.0	0.002085	9803011,9803031,etc
28	free energy	89	16	6.0	0.001658	9806016,9806013,etc
29	correlation function	52	15	2.333	0.001343	9806047,9806003,etc
30	Lie algebra	54	14	5.25	0.001421	9801027,9801023,etc
31	probability density	34	14	4.667	0.00094	9803035,9803008,etc
32	New York	25	13	3.0	0.00063	9801009,9801019,etc
33	Table I	22	13	3.0	0.000601	9801013,9801012,etc
34	vector field	55	12	8.0	0.001626	9801023,9801019,etc
35	photon energy	23	12	2.5	0.000834	9801002,9801032,etc
36	energy difference	28	12	2.5	0.000382	9802020,9802003,etc
37	time interval	29	12	2.5	0.000589	9802036,9802040,etc
38	Coulomb interaction	22	12	3.0	0.000463	9802029,9802050,etc
39	spontaneous emission	78	11	3.0	0.00298	9801018,9801030,etc
40	scalar product	20	11	4.0	0.001206	9802032,9802010,etc
41	partition function	36	11	6.5	0.001186	9802020,9802021,etc
42	field equation	77	11	2.8	0.001708	9807020,9807038,etc