shortcuts.tex

%null vector
\newcommand{\bzero}{\vb{0}}

%tensor 
\newcommand*{\rttensor}[1]{\overline{\overline{#1}}}

%Form of shwoing a vector

\def\bm#1{\mathchoice                             % math bold
  {\mbox{\boldmath$\displaystyle#1$}}%
  {\mbox{\boldmath$#1$}}%
  {\mbox{\boldmath$\scriptstyle#1$}}%
  {\mbox{\boldmath$\scriptscriptstyle#1$}}}
  
\newcommand{\vectormath}[1]{{\bm{#1}}}

%Direct Bravais lattice vector
\newcommand{\bR}{\vectormath{R}}

%Exciton momentum
\newcommand{\bQ}{\vb{Q}}

%Vector of the motif of the unit cell/Vector of the basis within the unit cell
\newcommand{\bt}{\vectormath{t}}

%reciprocal lattice vectors
\newcommand{\bb}{\vb{b}}

%Vectors of the reciprocal lattice (basis)
%\newcommand{\bG}{\vb{G}}
\newcommand{\bG}{\vectormath{G}}


%normal vector -> n in bold
\newcommand{\bn}{\vb{n}}

%position vector -> r,x,y in bold
%\newcommand{\br}{\vb{r}}
\newcommand{\br}{\vectormath{r}}

%\newcommand{\bx}{\vb{x}}
\newcommand{\bx}{\vectormath{x}}

%\newcommand{\by}{\vb{y}}
\newcommand{\by}{\vectormath{y}}

%Electric field vector -> E in bold
\newcommand{\bE}{\vb{E}}

%Potential vector -> A in bold
\newcommand{\bA}{\vb{A}}

%Potential vecotr with hat for operator
\newcommand{\hA}{\hat{\vb{A}}}
\newcommand{\nhA}{\vb{A}} %In case I want to remove the hat and recover it back again

%Magnetic induction field vector -> B in bold
\newcommand{\bB}{\vb{B}}

%Electric displacement vector -> D in bold
\newcommand{\bD}{\vb{D}}

%Magnetic field vector -> H in bold
\newcommand{\bH}{\vb{H}}

%Current density vector -> J in bold
\newcommand{\bJ}{\vb{J}}

%Sheet current vector -> j in bold
\newcommand{\bj}{\vb{j}}

%Polarization density vector -> P in bold
\newcommand{\bP}{\vb{P}}

%Wave vector
% \newcommand{\bk}{\vb{k}}
% \newcommand{\bq}{\vb{q}}
% \newcommand{\bp}{\vb{p}}
\newcommand{\bk}{\vectormath{k}}
\newcommand{\bq}{\vectormath{q}}
\newcommand{\bp}{\vectormath{p}}

%Corners of graphene Brillouin zone
\newcommand{\bK}{\vb{K}}

%x, y and z versors
\newcommand{\bex}{\vb{e}_x}
\newcommand{\bey}{\vb{e}_y}
\newcommand{\bez}{\vb{e}_z}

\newcommand{\bux}{\vb{u}_x}
\newcommand{\buy}{\vb{u}_y}
\newcommand{\buz}{\vb{u}_z}

%Unit vector for any polarization
\newcommand{\bhe}{\hat{\vb{e}}}

%small electric and magnetic fields
\newcommand{\be}{\vb{e}}
%\newcommand{\bb}{\vb{b}} already defined

%Imaginary unit
\newcommand{\ii}{\mathrm{i}}

%Exponential/euler number
\newcommand{\ee}{\mathrm{e}}

%TM and TE modes in math mode
\newcommand{\TE}{\mathrm{TE}}
\newcommand{\TM}{\mathrm{TM}}

%creation operators
\newcommand{\adagger}{a^{\dagger}}
\newcommand{\bdagger}{b^{\dagger}}
\newcommand{\cdagger}{c^{\dagger}}

%ket and bra shortcut
%\newcommand{\ket}[1]{|#1\rangle}

% hbar omega
\newcommand{\hw}{\hbar \omega}

% d for integrals
\newcommand{\dif}[1][]{\dd^{#1}}

% differential for real space integrals
%\newcommand{\dr}{\dd^3 r}
\newcommand{\dr}[1][]{\dif[#1] \vectormath{r}}

%\newcommand{\dx}{\dd^3 x}
\newcommand{\dx}[1][]{\dif[#1] \vectormath{x}}

%\newcommand{\dy}{\dd^3 y}
\newcommand{\dy}[1][]{\dif[#1] \vectormath{y}}

%GW for the approximation, either italic or not
\newcommand{\GW}{\textit{GW}}