activity
20212026
most citedA Similarity Transformed Second-order Approximate Coupled Cluster Method for the Excited States: Theory, Implementation, and Benchmark

4 citations · 7 across the 9 of their papers we have counts for

collaborators

9 papers

physics.chem-ph2026

A reduced-cost two-component relativistic equation-of-motion coupled cluster method for the double electron attachment problem

Sujan Mandal, Tamoghna Mukhopadhyay, Achintya Kumar Dutta

We present a computationally efficient relativistic formulation of the equation-of-motion coupled-cluster (EOM-CC) method for the double electron attachment (DEA) problem. In this…

physics.chem-ph2025★ 1 cited

A reduced-cost third-order algebraic diagrammatic construction based on state-specific frozen natural orbitals: Application to the electron-attachment problem

Tamoghna Mukhopadhyay, Kamal Majee, Achintya Kumar Dutta

We have developed a reduced-cost non-Dyson third-order algebraic diagrammatic construction theory for the electron-attachment problem based on state-specific frozen natural orbital…

physics.chem-ph2025

Reduced-Cost Four-Component Relativistic Double Ionization Potential Equation-of-Motion Coupled-Cluster Approaches with 4-Hole--2-Particle Excitations and Three-Body Clusters

Tamoghna Mukhopadhyay, Madhubani Mukherjee, Karthik Gururangan +2

The double ionization potential (DIP) equation-of-motion (EOM) coupled-cluster (CC) method with 4-hole--2-particle (4-2) excitations on top of the CC with singles, doubles, a…

physics.chem-ph2025

Reduced-cost Relativistic Equation-of-Motion Coupled Cluster Method based on Frozen Natural Spinors: A State-Specific Approach

Tamoghna Mukhopadhyay, Mrinal Thapa, Somesh Chamoli +4

We present the theoretical framework, implementation, and benchmark results for a reduced-cost relativistic equation-of-motion coupled cluster singles and doubles (EOM-CCSD) method…

physics.chem-ph2024

Spin-free exact two-component linear response coupled cluster theory for estimation of frequency-dependent second-order property

Sudipta Chakraborty, Tamoghna Mukhopadhyay, Achintya Kumar Dutta

We have presented the theory, implementation, and benchmark results for the one-electronic variant of spin-free exact two-component (SFX2C1e) linear response coupled cluster (LRCCS…

physics.chem-ph2024★ 1 cited

A relativistic third-order algebraic diagrammatic construction theory for electron detachment, attachment and excitation problems

Sudipta Chakraborty, Tamoghna Mukhopadhyay, Malaya K. Nayak +1

We present the theory and implementation of a highly efficient relativistic third-order algebraic diagrammatic construction [ADC(3)] method based on a four-component (4c) Dirac-Cou…