<div dir="ltr">Dear all<div><br></div>I would ask you when I plot the band structure of Au(111) with 7 layers to get the Shockley states and I want to add more layers But as in the graph below, I obtained the band as two separate curves instead of obtaining only one.<br><div class="gmail_chip gmail_drive_chip" style="width:396px;height:18px;max-height:18px;background-color:#f5f5f5;padding:5px;color:#222;font-family:arial;font-style:normal;font-weight:bold;font-size:13px;border:1px solid #ddd;line-height:1"><a href="https://drive.google.com/file/d/1HsGgX5gAekaiLSevHPb1hi-8X3g5S9N2/view?usp=drive_web" target="_blank" style="display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-decoration:none;padding:1px 0px;border:none;width:100%" aria-label="au7layers.png"><img style="vertical-align: bottom; border: none;" src="https://drive-thirdparty.googleusercontent.com/16/type/image/png"> <span dir="ltr" style="color:#15c;text-decoration:none;vertical-align:bottom">au7layers.png</span></a></div><br></div>