Teacher Details

PATHAK RAJEEV KRISHNARAO

Department of Physics


1)    Gobre, V.V., Rao, S.S., Gejji, S.P., Bartolotti, L.J., Pathak, R.K. (2023). Theoretical Appraisal of Cyclopropenone: Aggregation and Complexes with Water. Journal of Physical Chemistry A, 127 (29), 6071–6080. ISSN(print/online): 1089-5639/1520-5215, URL/DOI: http://dx.doi.org/10.1021/acs.jpca.3c02937
2)    Gobre, V.V., Gejji, S.P., Pathak, R.K. (2022). Cyclopropenylidene: Clustering and Interaction with Water Molecules. Journal of Physical Chemistry A, 126 (34), 5721–5728. ISSN(print/online): 1089-5639/1520-5215, URL/DOI: http://dx.doi.org/10.1021/acs.jpca.2c03903
3)    Kulkarni, S., Pathak, R.K. (2021). “Striped” rectangular rigid box with Hermitian and non-Hermitian 𝓟𝓣 symmetric potentials. Journal of Mathematical Physics, 62 (10), 102102. ISSN(print/online): 0022-2488/1089-7658, URL/DOI: http://dx.doi.org/10.1063/5.0065899
4)    Paul, M., Pathak, R.K., Pananghat, B. (2020). Rotatory Response of Molecular Electron Momentum Densities in Linear, Homogeneous Weak Electric Fields: A Topographical Analysis. Journal of Applied Geophysics, 124 (5), 943-954. ISSN(print/online): 0926-9851/1879-1859, URL/DOI: http://dx.doi.org/10.1021/acs.jpca.9b11356
5)    Agarwal, K.S., Pathak, R.K., Joglekar, Y.N. (2018). Raising the PT-transition threshold by strong coupling to neutral chains. Physical Review A, 97 (4), 042107. ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.97.042107
6)    Gurav, N.D., Gejji, S.P., Pathak, R.K. (2018). Electronic Stark Effect for a Single Molecule: Theoretical UV Response. Computational and Theoretical Chemistry, 1138, 23-38. ISSN(print/online): 2210-271X/1872-7999, URL/DOI: http://dx.doi.org/10.1016/j.comptc.2018.05.018
7)    Gurav, N.D., Gejji, S.P., Bartolotti, L.J., Pathak, R.K. (2016). Encaged molecules in external electric fields: A molecular “tug-of-war”. Journal of Chemical Physics, 145 (7), 074302. ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.4960608
8)    Agarwal, K.S., Pathak, R.K., Joglekar, Y.N. (2015). Exactly solvable PT-symmetric models in two dimensions . Europhysics Letters, 112 (3), 31003. Google Scholar Citations, ISSN(print/online): 0295-5075/1286-4854, URL/DOI: http://dx.doi.org/10.1209/0295-5075/112/31003
9)    Gurav, N.D., Kulkarni, A.D., Gejji, S.P., Pathak, R.K. (2015). CH3OH center dot center dot center dot (H2O)(n) [n=1-4] clusters in external electric fields. Journal of Chemical Physics, 142 (21), 214309. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.4921380
10)    Joglekar, Y.N., Marathe, R., Durganandini, P., Pathak, R.K. (2014). PT spectroscopy of the Rabi problem . Physical Review A, 90 (4), 40101. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.90.040101
11)    Bartolotti, L.J., Rai, D., Kulkarni, A.D., Gejji, S.P., Pathak, R.K. (2014). Water clusters (H2O)n [n = 9-20] in external electric fields: Exotic OH stretching frequencies near breakdown. Computational and Theoretical Chemistry, 1044, 66-73. Google Scholar Citations, ISSN(print/online): 2210-271X/1872-7999, URL/DOI: http://dx.doi.org/10.1016/j.comptc.2014.06.006
12)    Rai, D., Kulkarni, A.D., Gejji, S.P., Bartolotti, L.J., Pathak, R.K. (2013). Exploring electric field induced structural evolution of water clusters, (H2O) n [n = 9–20]: Density functional approach. Journal of Chemical Physics, 138 (4), 44304. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.4776214
13)    Kulkarni, A.D., Rai, D., Gejji, S.P., Bartolotti, L.J., Pathak, R.K. (2013). Structuring and destructuring effects along a pathway toward formation of zwitterionic glycine···(H2O) 2 complex: many body analysis of clusters and molecular electrostatic potential investigations. International Journal of Quantum Chemistry, 113 (9), 1325-1332. Google Scholar Citations, ISSN(print/online): 0020-7608/1097-461X, URL/DOI: http://dx.doi.org/10.1002/qua.24287
14)    Rai, D., Kulkarni, A.D., Gejji, S.P., Pathak, R.K. (2011). Methanol Clusters (CH3OH)n, n=3-6 in External Electric Fields: Density Functional Theory Approach. Journal of Chemical Physics, 135 (2), 24307. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.3605630
  

Publications Before 2011


15)    Kulkarni, A.D., Rai, D., Bartolotti, L.J., Pathak, R.K. (2009). Microsolvation of methyl hydrogen peroxide: Ab initio quantum chemical approach. Journal of Chemical Physics, 131 (5), 54310. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.3179753
16)    Rai, D., Kulkarni, A.D., Gejji, S.P., Pathak, R.K. (2009). Is high electric field capable of selectively inducing a covalent-like bond between polar and non-polar molecular species?. Theoretical Chemistry Accounts, 123 (5-6), 501-511. Google Scholar Citations, ISSN(print/online): 1432-881X/1432-2234, URL/DOI: http://dx.doi.org/10.1007/s00214-009-0570-8
17)    Rai, D., Kulkarni, A.D., Gejji, S.P., Pathak, R.K. (2008). Water clusters (H2O) n, n= 6–8, in external electric fields. Journal of Chemical Physics, 128 (3), 34310. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.2816565
18)    Kulkarni, A.D., Rai, D., Bartolotti, L.J., Pathak, R.K. (2007). Methyl hydrogen peroxide dimer: A structural study. Journal of Molecular Structure: THEOCHEM, 824, 32-38. Google Scholar Citations, ISSN(print/online): 0166-1280/1872-7999, URL/DOI: http://dx.doi.org/10.1016/j.theochem.2007.08.025
19)    Rai, D., Joshi, H., Kulkarni, A.D., Gejji, S.P., Pathak, R.K. (2007). Electric field effects on aromatic and aliphatic hydrocarbons: a density-functional study. Journal of Physical Chemistry A, 111 (37), 9111-9121. Google Scholar Citations, ISSN(print/online): 1089-5639/1520-5215, URL/DOI: http://dx.doi.org/10.1021/jp074051v
20)    Kulkarni, A.D., Pathak, R.K., Bartolotti, L.J. (2006). Effect of additional hydrogen peroxide to H2O2...(H2O)n, n=1 and 2 complexes: quantum chemical study. Journal of Chemical Physics, 124 (21), 214309. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.2202098
21)    Kulkarni, A.D., Rai, D., Bartolotti, L.J., Pathak, R.K. (2006). Interaction of peroxyformic acid with water molecules: A first-principles study. Journal of Physical Chemistry A, 110, 11855 -11861. Google Scholar Citations, ISSN(print/online): 1089-5639/1520-5215, URL/DOI: http://dx.doi.org/10.1021/jp0641536
22)    Kulkarni, A.D., Pathak, R.K., Bartolotti, L.J. (2005). Structures, Energetics, and Vibrational Spectra of H2O2···(H2O)n, n = 1−6 Clusters:  Ab Initio Quantum Chemical Investigations. Journal of Physical Chemistry A, 109 (20), 4583-4590. Google Scholar Citations, ISSN(print/online): 1089-5639/1520-5215, URL/DOI: http://dx.doi.org/10.1021/jp044545h
23)    Harbola, M.K., Zope, R.R., Kshirsagar, A., Pathak, R.K. (2005). Momentum-space properties from coordinate-space electron density. Journal of Chemical Physics, 12 (20), 204110 . Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.1904588
24)    Kulkarni, S.A., Bartolotti, L.J., Pathak, R.K. (2003). Ab initio investigations on neutral Hydrogen Peroxide clusters: (H2O2)n (n=2,4). Chemical Physics Letters, 372 (5-6), 620-626. Google Scholar Citations, ISSN(print/online): 0009-2614/1873-4448, URL/DOI: http://dx.doi.org/10.1016/S0009-2614(03)00468-8
25)    Kulkarni, S.A., Pathak, R.K. (2001). Ab initio investigations on neutral clusters of ammonia: (NH3)n (n=2-6). Chemical Physics Letters, 336, 278-283. Google Scholar Citations, ISSN(print/online): 0009-2614/1873-4448, URL/DOI: http://dx.doi.org/10.1016/S0009-2614(01)00107-5
26)    Kulkarni, S.A., Bartolotti, L.J., Pathak, R.K. (2000). Ab initio Studies of anionic water pentamer clusters. Journal of Chemical Physics, 113 (7), 2697-2700 . Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.1301497
27)    Zope, R.R., Harbola, M.K., Pathak, R.K. (1999). Atomic Compton Profiles Within different “exchange-only” theories. European Physical Journal D, 7 (2), 151-155 . Google Scholar Citations, ISSN(print/online): 1434-6060/1434-6079, URL/DOI: http://dx.doi.org/10.1007/s100530050360
28)    Baruah, T., Pathak, R.K., Kshirsagar, A. (1997). Density-functional approach to one-positron and neutral-atom bound states. Physical Review A, 55 (2), 1518-1521. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.55.1518
29)    Harbola, M.K., Zope, R.R., Pathak, R.K. (1996). Total atomic energies using indirect-path methods. Physical Review A, 53 (5), 3652. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.53.3652
30)    Zope, R.R., Kshirsagar, A., Pathak, R.K. (1995). Leading corrections to the compton profiles beyond the impulse approximation: second-order correction. Chemical Physics Letters, 242 (6), 555-559. Google Scholar Citations, ISSN(print/online): 0009-2614/1873-4448, URL/DOI: http://dx.doi.org/10.1016/0009-2614(95)00803-C
31)    Pathak, R.K. (1994). Necessary condition for an atom-positron bound state. Physical Review A, 49 (6), 5100. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.49.5100
32)    Baruah, T., Zope, R.R., Kshirsagar, A., Pathak, R.K. (1994). Positron binding: A positron-density viewpoint. Physical Review A, 50 (3), 2191-2196. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.50.2191
33)    Gadre, S.R., Kulkarni, S.A., Pathak, R.K. (1993). Density‐based electron localization function via nonlocal density approximation. Journal of Chemical Physics, 98 (4), 3574-3576. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.464082
34)    Pathak, R.K., Kshirsagar, A., Hoffmeyer, R., Thakkar, A.J. (1993). Leading corrections to atomic impulse-approximation Compton profiles: A density-functional approach. Physical Review A, 48 (4), 2946-2951. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.48.2946
35)    Kulkarni, S.A., Gadre, S.R., Pathak, R.K. (1992). Topographical view of molecular electron momentum densities. Physical Review A, 45 (7), 4399. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.45.4399
36)    Gadre, S.R., Kulkarni, S.A., Pathak, R.K. (1991). Reply to the comment on: Maximal and minimal characteristics of molecular electrostatic potentials: Some further extensions. Journal of Chemical Physics, 94 (12), 8639-8639. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.460055
37)    Gadre, S.R., Pathak, R.K. (1990). Nonexistence of local maxima in molecular electrostatic potential maps. Proceedings of the Indian Academy of Sciences- Chemical Sciences, 102 (2), 189-192. Google Scholar Citations, ISSN(print/online): 0253-4134, URL/DOI: http://dx.doi.org/10.1007/BF02860157
38)    Pathak, R.K., Panat, P.V. (1990). Critical indices for high-Tc superconductors. Physical Review B, 41 (7), 4749-4751. Google Scholar Citations, ISSN(print/online): 2469-9950/2469-9969, URL/DOI: http://dx.doi.org/10.1103/PhysRevB.41.4749
39)    Gadre, S.R., Pathak, R.K. (1990). Atomic and molecular diamagnetic susceptibilities from Compton scattering data. Journal of Chemical Physics, 92 (7), 4327-4330. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.457739
40)    Pathak, R.K., Gadre, S.R. (1990). Maximal and minimal characteristics of molecular electrostatic potentials. Journal of Chemical Physics, 93 (3), 1770-1773. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.459703
41)    Pathak, R.K., Kulkarni, S.A., Gadre, S.R. (1990). Momentum space atomic first-order density matrices and ‘‘exchange-only’’ correlation factors . Physical Review A, 42 (5), 2622. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.42.2622
42)    Gadre, S.R., Kulkarni, S.R., Pathak, R.K. (1989). Rigorous bounds to molecular electron repulsion and electrostatic potential integrals. Journal of Chemical Physics, 91 (6), 3596-3602. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.456892
43)    Gadre, S.R., Kulkarni, S.A., Pathak, R.K. (1989). Reduced first-order density matrices and exchange-only correlation factors for closed-shell atomic systems. Physical Review A, 40 (8), 4224. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.40.4224
44)    Pathak, R.K., Gadre, S.R. (1988). Development of links between electron densities in complementary spaces. Portugalea Fisica, 19, 407.
45)    Pathak, R.K., Thakkar, A.J. (1987). Very Short-Range Interatiomic Potentials . Journal of Chemical Physics, 87 (4), 2186 - 2190. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.453144
46)    Levy, M., Pathak, R.K., Perdew, J.P., Siqing Wei, S. (1987). Indirect-path Method for Atomic and Molecular Energies, and New Koopmans Theorems . Physical Review A, 36 (5), 249. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.36.2491
47)    Pathak, R.K., Sharma, B.S., Thakkar, A.J. (1986). Approximate relationships between density power integrals,Moments of the momentum density and interelectronic repulsions in diatomic molecules . Journal of Chemical Physics, 85 (2), 958-962 . Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.451252
48)    Perdew, J.P., Sahni, V., Harbola, M., Pathak, R.K. (1986). Fourth- Order gradient expansion of the fermion kinetic energy: Extra terms for non-analytic densities . Physical Review B, 34 (2), 686-691 . Google Scholar Citations, ISSN(print/online): 2469-9950/2469-9969, URL/DOI: http://dx.doi.org/10.1103/PhysRevB.34.686
50)    Pathak, R.K., Bartolotti, L.J. (1985). Relationships among the terms in the expansions of the kinetic- and exchange-correlation-energy density functionals. Physical Review A, 31 (6), 3557-3564 . ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.31.3557
51)    Pathak, R.K. (1984). An upper bound to the exchange integral for coulomb interactions . Journal of Chemical Physics, 80 (1), 583-584 . Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.446401
52)    Pathak, R.K. (1984). Bound excited states within density functional formalism: The levy functional. Physical Review A, 29 (2), 978-979. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.29.978
53)    Pathak, R.K., Gejji, S.P., Gadre, S.R. (1984). From molecular electron density to electron momentum density. Physical Review A, 29 (6), 3402-3405. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.29.3402
54)    Gadre, S.R., Gejji, S.P., Pathak, R.K. (1983). Electron density to electron momentum density: The use of an energy constraint. Physical Review A, 27 (6), 3328-3331. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.27.3328
55)    Pathak, R.K., Gadre, S.R. (1983). Gradient-free representation of the Weizsäcker term for atoms. Physical Review A, 28 (3), 1808-1809. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.28.1808
56)    Gadre, S.R., Gejji, S.P., Pathak, R.K. (1983). Direct and reverse transformations between electron density and electron momentum density :connection with the locally averaged method. Physical Review A, 28 (1), 462-463. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.28.462
57)    Gadre, S.R., Charavorty, S.J., Pathak, R.K. (1983). On the monotonicity of the atomic electron momentum density and shell structure of the radial momentum density. Journal of Chemical Physics, 78 (7), 4581-4584. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.445298
58)    Pathak, R.K., Panat, P.V., Gadre, S.R. (1982). Local-density-functional model for atoms in momentum space. Physical Review A, 26 (6), 3073-3077. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.26.3073
59)    Gadre, S.R., Pathak, R.K. (1982). Lower bounds to the Weizsäcker correction. Physical Review A, 25 (2), 668. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.25.668
60)    Pathak, R.K., Gadre, S.R. (1982). Relationships between the terms in the gradient expansion: Kinetic and exchange energy functionals. Physical Review A, 25 (6), 3426. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.25.3426
61)    Gadre, S.R., Pathak, R.K. (1982). Estimation of< P> and< P− 1> from atomic electron densities: A comment. Journal of Chemical Physics, 77 (2), 1073. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.443910
62)    Gadre, S.R., Pathak, R.K. (1981). Direct and reverse transformations between electron density and electron momentum density. Physical Review A, 24 (6), 2906-2912. Google Scholar Citations, ISSN(print/online): 2469-9926/2469-9934, URL/DOI: http://dx.doi.org/10.1103/PhysRevA.24.2906
63)    Pathak, R.K., Gadre, S.R. (1981). Estimation of< p≳ and< p− 1≳ from atomic electron densities. Journal of Chemical Physics, 74 (10), 5925-5926. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.440912
64)    Gadre, S.R., Pathak, R.K. (1981). On representation of Coulomb integral by one‐electron functionals. Journal of Chemical Physics, 75 (9), 4740-4741. Google Scholar Citations, ISSN(print/online): 0021-9606/1089-7690, URL/DOI: http://dx.doi.org/10.1063/1.442596