Dario Bressanini  Pubblicazioni Imaging the structure of the trimer systems 4He3 and 3He4He2 J. Voigtsberger, S. Zeller, J. Becht, N. Neumann, F. Sturm, H.-K. Kim, M. Waitz, F. Trinter, M. Kunitski, A. Kalinin, J. Wu, W. Schöllkopf, D. Bressanini, A. Czasch, J. B. Williams, K. Ullmann-Pfleger, L. Ph H. Schmidt, M. S. Schöffler, R. E. Grisenti, T. Jahnke & R. Dörner Nature communications 5 (2014).   The Structure of the Asymmetric Helium Trimer 3He4He2 D. Bressanini Journal of Physical Chemistry A dx.doi.org/10.1021/jp503090f   Positron Binding to Lithium Excited States D. Bressanini Physical Review Letters 109 (22), 223401 (2012)   Implications of the two nodal domains conjecture for ground state fermionic wave functions D. Bressanini Physical Review B 86 (11), 115120 (2012)   Generalized variational principle for excited states using nodes of trial functions D. Bressanini, P.J. Reynolds Physical Review E 84 (4), 046705 (2011)   An accurate and compact wave function for the 4He dimer D. Bressanini EPL, 96, 23001 (2011)   Comment on “Ritz variational treatment of the 4He trimer” by Geltman S. D. Bressanini EPL, 95, 63001 (2011)   What Is the Shape of the Helium Trimer? A Comparison with the Neon and Argon Trimers D. Bressanini , G. Morosi J Phys Chem A. 115, 10880-7 (2011).   Quantum Monte Carlo calculations of the dimerization energy of borane F. Fracchia, D. Bressanini, G. Morosi The Journal of Chemical Physics 135, 094503 (2011)   Can one bind three electrons with a single proton? D. Bressanini , R. Brummelhuis, P. Duclos, R. Ruamps Few Body Systems 45, 173 (2009)   On the nodal structure of single-particle approximation based atomic wave functions Dario Bressanini and Gabriele Morosi J. Chem. Phys. 129 054103 (2008)   A compact boundary-condition-determined wavefunction for two-electron atomic systems Dario Bressanini and Gabriele Morosi J. Phys. B 41, 145001 (2008)   Nodal surfaces of helium atom eigenfunctions Tony C. Scott, Arne Lüchow, Dario Bressanini and John D. Morgan III Phys. Rev. A 75, 060101 R (2007)   The fixed hypernode method for the solution of the many body Schroedinger equation F. Pederiva, M.H. Kalos, F. Reboredo, D. Bressanini, D.Guclu, L. Colletti, C.J. Umrigar A.C.S. symposium series 2007, vol. 953, pp. 81-92    Improved diffusion Monte Carlo propagators for bosonic systems using Itô calculus P. Håkansson, M. Mella, D. Bressanini, G. Morosi, and Marta Patrone J. Chem. Phys. 125, 184106  (2006)   An investigation of nodal structures and the construction of trial wave functions Dario Bressanini, Gabriele Morosi and Silvia Tarasco J. Chem. Phys. 123,  204109 (2005)   Unexpected Symmetry in the Nodal Structure of the He Atom Dario Bressanini and Peter J. Reynolds Phys. Rev. Lett. 95, 110201 (2005)   Delayed Rejection Variational Monte Carlo Dario Bressanini, Gabriele Morosi and Silvia Tarasco and Antonietta Mira J. Chem. Phys. 121, 3446 (2004)   Explicitly correlated wave functions in quantum Monte Carlo Dario Bressanini, Gabriele Morosi and Silvia Tarasco Comp.Meth.Sci.Tech 9, 11 (2004)   Stability of 3He24HeM and 3He34HeM L = 0,1 Clusters Dario Bressanini and  Gabriele Morosi Few-Body Systems 34, 131 (2004)   Borromean binding in H2 with Yukawa potential: A nonadiabatic quantum Monte Carlo study Luca Bertini, Massimo Mella, Dario Bressanini, and Gabriele Morosi Phys. Rev. A 69, 042504 (2004)   Compact boundary-condition-determined wave function for positronium hydride (PsH) Dario Bressanini and Gabriele Morosi J. Chem. Phys. 119, 7037 (2003)   Comparison of different propagators in diffusion Monte Carlo simulations of noble gas clusters Simone Chiesa, Massimo Mella, Gabriele Morosi, and Dario Bressanini J. Chem. Phys. 119, 5601 (2003)   Stability of 3He24HeN and 3He34HeN L=0 Clusters D. Bressanini, G. Morosi Phys. Rev. Lett. 90, 133401 (2003)   Stability of few body systems and quantum monte carlo methods D. Bressanini, G. Morosi, L. Bertini, M. Mella Few Body Systems 31, 199 (2002)   Robust wave function optimization procedures in quantum Monte Carlo methods D. Bressanini, G. Morosi, M. Mella Journal of Chemical Physics. 116, 5345 (2002) [Los Alamos version]   What do we know about wave function nodes? D. Bressanini, D. M. Ceperley, P. J. Reynolds In Recent Advances in Quantum Monte Carlo Methods, II (World Scientific, Singapore, 2001) [Los Alamos version]   Positron and positronium chemistry by quantum monte carlo M. Mella, S. Chiesa, D. Bressanini, G. Morosi In New Directions in Antimatter Chemistry and Physics (Kluwer, 2001) Stability and production of positron-diatomic molecule complexes M. Mella, D. Bressanini, G. Morosi Journal of Chemical Physics  114, 10579 (2001)   Explicitly correlated trial wavefunctions in quantum Monte Carlo calculations of excited states of Be and Be- L. Bertini, M. Mella, D. Bressanini, G. Morosi Journal of Physics B 34, 257 (2001)   Variational Monte Carlo calculation of dynamic multipole polarizabilities and van der Waals coefficients of the PsH system Massimo Mella,  Dario Bressanini, Gabriele Morosi Physical Review A 63, 024503  (2001)   Positron and positronium chemistry by quantum Monte Carlo. V. The ground state potential energy curve of e+ LiH Massimo Mella, Gabriele Morosi, Dario Bressanini, Stefano Elli Journal of Chemical Physics  113, 6154 (2000)   Response to "Comment on 'Positron and positronium chemistry by quantum Monte Carlo. IV. Can this method accurately compute observables beyond energy?'" [J. Chem. Phys. 111, 108 (1999)] Massimo Mella, Gabriele Morosi, Dario Bressanini Journal of Chemical Physics  112, 3928 (2000)   Time step bias improvement in diffusion Monte Carlo simulations Massimo Mella, Gabriele Morosi, Dario Bressanini Physical Review E  61, 2050 (2000)   A diffusion Monte Carlo accurate interaction potential betweeh H and PsH Massimo Mella, Gabriele Morosi, Dario Bressanini Journal of Chemical Physics 112, 1063 (2000)   Quantum Monte Carlo investigation of small 4He clusters with a 3He impurity Dario Bressanini, Matteo Zavaglia, Massimo Mella, Gabriele Morosi Journal of Chemical Physics 112, 717 (2000)   Quantum Monte Carlo study of the H- impurity in small helium clusters Mose Casalegno, Massimo Mella, Gabriele Morosi, Dario Bressanini Journal of Chemical Physics 112, 69 (2000)   Quantum Monte Carlo calculations of molecular electron affinities: first row hydrides Gabriele Morosi, Massimo Mella, Dario Bressanini Journal of Chemical Physics 111, 6755 (1999)     Spatial-partitioning-based acceleration for variational Monte Carlo Dario Bressanini, Peter Reynolds Journal of Chemical Physics  111, 6180 (1999)   A  spline approach to trial wave functions for variational and diffusion Monte Carlo Dario Bressanini, Giordano Fabbri, Massimo Mella, Gabriele Morosi Journal of Chemical Physics 111, 6230 (1999)   Linear expansions of correlated functions: Variational Monte Carlo case study [Word97 DOC] Luca Bertini, Dario Bressanini, Massimo Mella, Gabriele Morosi International Journal of Quantum Chemistry 74, 23 (1999)   Positron and positronium chemistry by quantum Monte Carlo: IV. Can this method accurately compute observables beyond energy? Massimo Mella, Gabriele Morosi, Dario Bressanini Journal of Chemical Physics 111, 108 (1999)   Between Classical and Quantum Monte Carlo Methods: "Variational" QMC D.Bressanini, P. J. Reynolds Advances in Chemical Physics, Monte Carlo Methods in Chemical Physics, Vol 105, 37 (1998) [Word97 DOC]   Positron and positronium chemistry by quantum Monte Carlo. III. Ground state of [OH,Ps], [CH,Ps], and [NH2,Ps] complexes Dario Bressanini, Massimo Mella, Gabriele Morosi Journal of Chemical Physics 109, 5931 (1998)   Positron chemistry by quantum Monte Carlo. II. Ground-state of positron-polar molecule complexes Dario Bressanini, Massimo Mella, Gabriele Morosi Journal of Chemical Physics 109, 1716 (1998)   Stability of four-body systems in three and two dimensions: A theoretical and quantum Monte Carlo study of biexciton molecules Dario Bressanini, Massimo Mella, Gabriele Morosi Physical Review A 57, 4956 (1998)   Positronium chemistry by quantum Monte Carlo. I. Positronium-first row atom complexes Dario Bressanini, Massimo Mella, Gabriele Morosi Journal of Chemical Physics 108, 4756 (1998)   Stability and positron annihilation of positronium hydride L=0,1,2 states: A quantum Monte Carlo study Dario Bressanini, Massimo Mella, Gabriele Morosi Physical Review A 57, 1678 (1998)   Angular Momentum and the Two-Dimensional Free Particle Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 [Word97 DOC] [Short Version] D.Bressanini and A. Ponti Journal of Chemical Education (print and Internet edition) 75, 916 (1998)   Stability of four-unit-charge systems: A quantum Monte Carlo study Dario Bressanini, Massimo Mella, Gabriele Morosi Physical Review A 55, 200 (1997)   Recent Progress in QMC simulations of systems with multiple time scales: hybrid nonadiabatic QMC D.Bressanini and P.J. Reynolds W.A. Lester Jr., ed. "Recent advances in quantum Monte Carlo methods" (World Scientific, Singapore, 1997) [Word DOC]   Analitical wavefunctions from Quantum Monte Carlo simulations D.Bressanini, P.Cremaschi, M.Mella and G.Morosi W.A. Lester Jr., ed. "Recent advances in quantum Monte Carlo methods" (World Scientific, Singapore, 1997) [Word DOC]   Nonadiabatic wavefunctions as linear expansion of correlated exponentials. A quantum Monte Carlo application to H2+ and Ps2 D. Bressanini, M. Mella and G. Morosi Chemical Physics Letters 272, 370 (1997) [Word DOC]   Wave function optimization by least squares fitting of the exact wave function sampled by quantum Monte Carlo R. Bianchi, D. Bressanini, P. Cremaschi, M. Mella and G. Morosi International Journal of Quantum Chemistry 57, 321 (1996)   Quantum Monte Carlo in Chemistry D. Bressanini, M. Mella and G. Morosi in "Computational Chemistry: Aspects and perspectives", G.L.Bendazzoli, P.Palmieri Eds., Franco Angeli, Milano (1995)   Many-electron correlated exponential wavefunctions. A Quantum Monte Carlo application to H2 and He2+ Dario Bressanini, Massimo Mella and Gabriele Morosi Chemical Physics Letters 240, 566 (1995) [Word DOC]   A quantum Monte Carlo simulation of the two dimensional H2 molecule R. Bianchi, D. Bressanini, P. Cremaschi, M. Mella and G. Morosi International Journal of Quantum Chemistry 50, 401 (1994)   The Antisymmetry in the quantum Monte Carlo method with the A-function technique R. Bianchi, D. Bressanini, P. Cremaschi and G. Morosi Journal of Chemical Physics 98, 7204 (1993)   Antisymmetry in Quantum Monte Carlo Methods R. Bianchi, D. Bressanini, P. Cremaschi and G. Morosi Computer Physics Communications 74, 153 (1993)   Charge Layering in Polar Liquids D. Bressanini, E. S. Fois, A. Gamba and G. Morosi Chemical Physics Letters 200, 333 (1992)   Random Walk approach to mapping nodal regions of N-body wave functions: ground state Hartree-Fock wave functions for Li-C W. A. Glauser, W. R. Brown, W. A. Lester, D. Bressanini, B. L. Hammond and M. L. Koszykowski Journal of Chemical Physics 97, 9200 (1992)   Antisymmetry in the quantum Monte Carlo method without a trial function R. Bianchi, D. Bressanini, P. Cremaschi and G. Morosi Chemical Physics Letters 184, 343 (1991)   A Monte Carlo simulation of liquid 1,2-dimetoxyethane Dario Bressanini, Aldo Gamba, Gabriele Morosi Journal of Physical Chemistry 94, 4299 (1990)