https://www.quanty.org/ 2026-04-14T16:32:07+00:00 https://www.quanty.org/ https://www.quanty.org/_media/wiki/dokuwiki.svg text/html 2025-11-20T03:15:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.quanty.org/documentation/language_reference/objects/operator/start?rev=1763608542&do=diff Operator Operators define quantum mechanical operators implemented in second quantization. The most general operator one can implement is: $$ \begin{align} O&=\alpha^{(0,0)} \\ &+\sum_{\tau} \alpha^{(0,1)}_{\tau} a^{\phantom{\dagger}}_{\tau} + \alpha^{(1,0)}_{\tau} a^{\dagger}_{\tau} \\ &+\sum_{\tau_1,\tau_2} \alpha^{(0,2)}_{\tau_1,\tau_2} a^{\phantom{\dagger}}_{\tau_1}a^{\phantom{\dagger}}_{\tau_2} + \alpha^{(1,1)}_{\tau_1,\tau_2} a^{\dagger}_{\tau_1}a^{\phantom{\dagger}}_{\tau_2} + \alpha^{(…