2 papers
quant-ph2026
Dynamics of the Density Cube
Nabin Bhatta, Djordje Minic, Tatsu Takeuchi
Density cube theory extends the canonical quantum density matrix with the addition of an extra index to . The elements of the density cube with two different indi…
math-ph2022
Halliday-Suranyi Approach to the Anharmonic Oscillator
Nabin Bhatta, Tatsu Takeuchi
In this contribution to Peter Suranyi Festschrift, we study the Halliday-Suranyi perturbation method for calculating the energy eigenvalues of the quartic anharmonic oscillator.