Text this: Berry's phase under the Dzyaloshinskii-Moriya interaction

  _  _    _    _     _____      ___      _  _   
 | \| || | || | ||  |__  //    / _ \\   | \| || 
 |  ' || | || | ||    / //    | / \ ||  |  ' || 
 | .  || | \\_/ ||   / //__   | \_/ ||  | .  || 
 |_|\_||  \____//   /_____||   \___//   |_|\_|| 
 `-` -`    `---`    `-----`    `---`    `-` -`